Precalculus Examples

$(x - 2) (x - 2) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 1

Expand $(x - 2) (x - 2)$ using the FOIL Method.

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Step 1.1

Apply the distributive property.

$(x (x - 2) - 2 (x - 2)) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 1.2

Apply the distributive property.

$(x \cdot x + x \cdot - 2 - 2 (x - 2)) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 1.3

Apply the distributive property.

$(x \cdot x + x \cdot - 2 - 2 x - 2 \cdot - 2) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 2

Simplify and combine like terms.

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Step 2.1

Simplify each term.

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Step 2.1.1

Multiply $x$ by $x$ .

$(x^{2} + x \cdot - 2 - 2 x - 2 \cdot - 2) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 2.1.2

Move $- 2$ to the left of $x$ .

$(x^{2} - 2 \cdot x - 2 x - 2 \cdot - 2) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 2.1.3

Multiply $- 2$ by $- 2$ .

$(x^{2} - 2 x - 2 x + 4) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 2.2

Subtract $2 x$ from $- 2 x$ .

$(x^{2} - 4 x + 4) (x + 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 3

Expand $(x^{2} - 4 x + 4) (x + 3)$ by multiplying each term in the first expression by each term in the second expression.

$(x^{2} x + x^{2} \cdot 3 - 4 x \cdot x - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4

Simplify terms.

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Step 4.1

Simplify each term.

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Step 4.1.1

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 4.1.1.1

Multiply $x^{2}$ by $x$ .

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Step 4.1.1.1.1

Raise $x$ to the power of $1$ .

$(x^{2} x^{1} + x^{2} \cdot 3 - 4 x \cdot x - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.1.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{2 + 1} + x^{2} \cdot 3 - 4 x \cdot x - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.1.2

Add $2$ and $1$ .

$(x^{3} + x^{2} \cdot 3 - 4 x \cdot x - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.2

Move $3$ to the left of $x^{2}$ .

$(x^{3} + 3 \cdot x^{2} - 4 x \cdot x - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.3

Multiply $x$ by $x$ by adding the exponents.

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Step 4.1.3.1

Move $x$ .

$(x^{3} + 3 x^{2} - 4 (x \cdot x) - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.3.2

Multiply $x$ by $x$ .

$(x^{3} + 3 x^{2} - 4 x^{2} - 4 x \cdot 3 + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.4

Multiply $3$ by $- 4$ .

$(x^{3} + 3 x^{2} - 4 x^{2} - 12 x + 4 x + 4 \cdot 3) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.1.5

Multiply $4$ by $3$ .

$(x^{3} + 3 x^{2} - 4 x^{2} - 12 x + 4 x + 12) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.2

Simplify by adding terms.

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Step 4.2.1

Subtract $4 x^{2}$ from $3 x^{2}$ .

$(x^{3} - x^{2} - 12 x + 4 x + 12) (x - \frac{1}{2}) (x + i) (x - i)$

Step 4.2.2

Add $- 12 x$ and $4 x$ .

$(x^{3} - x^{2} - 8 x + 12) (x - \frac{1}{2}) (x + i) (x - i)$

Step 5

Expand $(x^{3} - x^{2} - 8 x + 12) (x - \frac{1}{2})$ by multiplying each term in the first expression by each term in the second expression.

$(x^{3} x + x^{3} (- \frac{1}{2}) - x^{2} x - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6

Simplify each term.

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Step 6.1

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 6.1.1

Multiply $x^{3}$ by $x$ .

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Step 6.1.1.1

Raise $x$ to the power of $1$ .

$(x^{3} x^{1} + x^{3} (- \frac{1}{2}) - x^{2} x - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.1.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{3 + 1} + x^{3} (- \frac{1}{2}) - x^{2} x - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.1.2

Add $3$ and $1$ .

$(x^{4} + x^{3} (- \frac{1}{2}) - x^{2} x - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.2

Combine $x^{3}$ and $\frac{1}{2}$ .

$(x^{4} - \frac{x^{3}}{2} - x^{2} x - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.3

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 6.3.1

Move $x$ .

$(x^{4} - \frac{x^{3}}{2} - (x \cdot x^{2}) - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.3.2

Multiply $x$ by $x^{2}$ .

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Step 6.3.2.1

Raise $x$ to the power of $1$ .

$(x^{4} - \frac{x^{3}}{2} - (x^{1} x^{2}) - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(x^{4} - \frac{x^{3}}{2} - x^{1 + 2} - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.3.3

Add $1$ and $2$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} - x^{2} (- \frac{1}{2}) - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.4

Multiply $- x^{2} (- \frac{1}{2})$ .

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Step 6.4.1

Multiply $- 1$ by $- 1$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + 1 x^{2} \frac{1}{2} - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.4.2

Multiply $x^{2}$ by $1$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + x^{2} \frac{1}{2} - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.4.3

Combine $x^{2}$ and $\frac{1}{2}$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x \cdot x - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.5

Multiply $x$ by $x$ by adding the exponents.

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Step 6.5.1

Move $x$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 (x \cdot x) - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.5.2

Multiply $x$ by $x$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} - 8 x (- \frac{1}{2}) + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.6

Cancel the common factor of $2$ .

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Step 6.6.1

Move the leading negative in $- \frac{1}{2}$ into the numerator.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} - 8 x \frac{- 1}{2} + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.6.2

Factor $2$ out of $- 8 x$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 2 (- 4 x) \frac{- 1}{2} + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.6.3

Cancel the common factor.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 2 (- 4 x) \frac{- 1}{2} + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.6.4

Rewrite the expression.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} - 4 x \cdot - 1 + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.7

Multiply $- 1$ by $- 4$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x + 12 (- \frac{1}{2})) (x + i) (x - i)$

Step 6.8

Cancel the common factor of $2$ .

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Step 6.8.1

Move the leading negative in $- \frac{1}{2}$ into the numerator.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x + 12 (\frac{- 1}{2})) (x + i) (x - i)$

Step 6.8.2

Factor $2$ out of $12$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x + 2 (6) \frac{- 1}{2}) (x + i) (x - i)$

Step 6.8.3

Cancel the common factor.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x + 2 \cdot 6 \frac{- 1}{2}) (x + i) (x - i)$

Step 6.8.4

Rewrite the expression.

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x + 6 \cdot - 1) (x + i) (x - i)$

Step 6.9

Multiply $6$ by $- 1$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x - 6) (x + i) (x - i)$

Step 7

To write $- x^{3}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$(x^{4} - \frac{x^{3}}{2} - x^{3} \cdot \frac{2}{2} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x - 6) (x + i) (x - i)$

Step 8

Combine $- x^{3}$ and $\frac{2}{2}$ .

$(x^{4} - \frac{x^{3}}{2} + \frac{- x^{3} \cdot 2}{2} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x - 6) (x + i) (x - i)$

Step 9

Combine the numerators over the common denominator.

$(x^{4} + \frac{- x^{3} - x^{3} \cdot 2}{2} + \frac{x^{2}}{2} - 8 x^{2} + 4 x + 12 x - 6) (x + i) (x - i)$

Step 10

Combine the numerators over the common denominator.

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{- x^{3} - x^{3} \cdot 2 + x^{2}}{2}) (x + i) (x - i)$

Step 11

Multiply $2$ by $- 1$ .

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{- x^{3} - 2 x^{3} + x^{2}}{2}) (x + i) (x - i)$

Step 12

Subtract $2 x^{3}$ from $- x^{3}$ .

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{- 3 x^{3} + x^{2}}{2}) (x + i) (x - i)$

Step 13

Factor $x^{2}$ out of $- 3 x^{3} + x^{2}$ .

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Step 13.1

Factor $x^{2}$ out of $- 3 x^{3}$ .

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (- 3 x) + x^{2}}{2}) (x + i) (x - i)$

Step 13.2

Multiply by $1$ .

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (- 3 x) + x^{2} \cdot 1}{2}) (x + i) (x - i)$

Step 13.3

Factor $x^{2}$ out of $x^{2} (- 3 x) + x^{2} \cdot 1$ .

$(x^{4} - 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (- 3 x + 1)}{2}) (x + i) (x - i)$

Step 14

To write $x^{4}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + x^{4} \cdot \frac{2}{2} + \frac{x^{2} (- 3 x + 1)}{2}) (x + i) (x - i)$

Step 15

Simplify terms.

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Step 15.1

Combine $x^{4}$ and $\frac{2}{2}$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{4} \cdot 2}{2} + \frac{x^{2} (- 3 x + 1)}{2}) (x + i) (x - i)$

Step 15.2

Combine the numerators over the common denominator.

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{4} \cdot 2 + x^{2} (- 3 x + 1)}{2}) (x + i) (x - i)$

Step 16

Simplify the numerator.

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Step 16.1

Factor $x^{2}$ out of $x^{4} \cdot 2 + x^{2} (- 3 x + 1)$ .

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Step 16.1.1

Factor $x^{2}$ out of $x^{4} \cdot 2$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (x^{2} \cdot 2) + x^{2} (- 3 x + 1)}{2}) (x + i) (x - i)$

Step 16.1.2

Factor $x^{2}$ out of $x^{2} (x^{2} \cdot 2) + x^{2} (- 3 x + 1)$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (x^{2} \cdot 2 - 3 x + 1)}{2}) (x + i) (x - i)$

Step 16.2

Factor by grouping.

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Step 16.2.1

Reorder terms.

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (2 x^{2} - 3 x + 1)}{2}) (x + i) (x - i)$

Step 16.2.2

For a polynomial of the form $a x^{2} + b x + c$ , rewrite the middle term as a sum of two terms whose product is $a \cdot c = 2 \cdot 1 = 2$ and whose sum is $b = - 3$ .

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Step 16.2.2.1

Factor $- 3$ out of $- 3 x$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (2 x^{2} - 3 (x) + 1)}{2}) (x + i) (x - i)$

Step 16.2.2.2

Rewrite $- 3$ as $- 1$ plus $- 2$

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (2 x^{2} + (- 1 - 2) x + 1)}{2}) (x + i) (x - i)$

Step 16.2.2.3

Apply the distributive property.

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (2 x^{2} - 1 x - 2 x + 1)}{2}) (x + i) (x - i)$

Step 16.2.3

Factor out the greatest common factor from each group.

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Step 16.2.3.1

Group the first two terms and the last two terms.

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} ((2 x^{2} - 1 x) - 2 x + 1)}{2}) (x + i) (x - i)$

Step 16.2.3.2

Factor out the greatest common factor (GCF) from each group.

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (x (2 x - 1) - (2 x - 1))}{2}) (x + i) (x - i)$

Step 16.2.4

Factor the polynomial by factoring out the greatest common factor, $2 x - 1$ .

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} ((2 x - 1) (x - 1))}{2}) (x + i) (x - i)$

$(- 8 x^{2} + 4 x + 12 x - 6 + \frac{x^{2} (2 x - 1) (x - 1)}{2}) (x + i) (x - i)$

Step 17

To write $- 8 x^{2}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$(4 x + 12 x - 6 - 8 x^{2} \cdot \frac{2}{2} + \frac{x^{2} (2 x - 1) (x - 1)}{2}) (x + i) (x - i)$

Step 18

Simplify terms.

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Step 18.1

Combine $- 8 x^{2}$ and $\frac{2}{2}$ .

$(4 x + 12 x - 6 + \frac{- 8 x^{2} \cdot 2}{2} + \frac{x^{2} (2 x - 1) (x - 1)}{2}) (x + i) (x - i)$

Step 18.2

Combine the numerators over the common denominator.

$(4 x + 12 x - 6 + \frac{- 8 x^{2} \cdot 2 + x^{2} (2 x - 1) (x - 1)}{2}) (x + i) (x - i)$

Step 19

Simplify the numerator.

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Step 19.1

Factor $x^{2}$ out of $- 8 x^{2} \cdot 2 + x^{2} (2 x - 1) (x - 1)$ .

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Step 19.1.1

Factor $x^{2}$ out of $- 8 x^{2} \cdot 2$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 8 \cdot 2) + x^{2} (2 x - 1) (x - 1)}{2}) (x + i) (x - i)$

Step 19.1.2

Factor $x^{2}$ out of $x^{2} (2 x - 1) (x - 1)$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 8 \cdot 2) + x^{2} ((2 x - 1) (x - 1))}{2}) (x + i) (x - i)$

Step 19.1.3

Factor $x^{2}$ out of $x^{2} (- 8 \cdot 2) + x^{2} ((2 x - 1) (x - 1))$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 8 \cdot 2 + (2 x - 1) (x - 1))}{2}) (x + i) (x - i)$

Step 19.2

Multiply $- 8$ by $2$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + (2 x - 1) (x - 1))}{2}) (x + i) (x - i)$

Step 19.3

Expand $(2 x - 1) (x - 1)$ using the FOIL Method.

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Step 19.3.1

Apply the distributive property.

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x (x - 1) - 1 (x - 1))}{2}) (x + i) (x - i)$

Step 19.3.2

Apply the distributive property.

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x \cdot x + 2 x \cdot - 1 - 1 (x - 1))}{2}) (x + i) (x - i)$

Step 19.3.3

Apply the distributive property.

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x \cdot x + 2 x \cdot - 1 - 1 x - 1 \cdot - 1)}{2}) (x + i) (x - i)$

Step 19.4

Simplify and combine like terms.

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Step 19.4.1

Simplify each term.

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Step 19.4.1.1

Multiply $x$ by $x$ by adding the exponents.

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Step 19.4.1.1.1

Move $x$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 (x \cdot x) + 2 x \cdot - 1 - 1 x - 1 \cdot - 1)}{2}) (x + i) (x - i)$

Step 19.4.1.1.2

Multiply $x$ by $x$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x^{2} + 2 x \cdot - 1 - 1 x - 1 \cdot - 1)}{2}) (x + i) (x - i)$

Step 19.4.1.2

Multiply $- 1$ by $2$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x^{2} - 2 x - 1 x - 1 \cdot - 1)}{2}) (x + i) (x - i)$

Step 19.4.1.3

Rewrite $- 1 x$ as $- x$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x^{2} - 2 x - x - 1 \cdot - 1)}{2}) (x + i) (x - i)$

Step 19.4.1.4

Multiply $- 1$ by $- 1$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x^{2} - 2 x - x + 1)}{2}) (x + i) (x - i)$

Step 19.4.2

Subtract $x$ from $- 2 x$ .

$(4 x + 12 x - 6 + \frac{x^{2} (- 16 + 2 x^{2} - 3 x + 1)}{2}) (x + i) (x - i)$

Step 19.5

Add $- 16$ and $1$ .

$(4 x + 12 x - 6 + \frac{x^{2} (2 x^{2} - 3 x - 15)}{2}) (x + i) (x - i)$

Step 20

Add $4 x$ and $12 x$ .

$(16 x - 6 + \frac{x^{2} (2 x^{2} - 3 x - 15)}{2}) (x + i) (x - i)$

Step 21

To write $16 x$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$(16 x \cdot \frac{2}{2} + \frac{x^{2} (2 x^{2} - 3 x - 15)}{2} - 6) (x + i) (x - i)$

Step 22

Simplify terms.

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Step 22.1

Combine $16 x$ and $\frac{2}{2}$ .

$(\frac{16 x \cdot 2}{2} + \frac{x^{2} (2 x^{2} - 3 x - 15)}{2} - 6) (x + i) (x - i)$

Step 22.2

Combine the numerators over the common denominator.

$(\frac{16 x \cdot 2 + x^{2} (2 x^{2} - 3 x - 15)}{2} - 6) (x + i) (x - i)$

Step 23

Simplify the numerator.

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Step 23.1

Factor $x$ out of $16 x \cdot 2 + x^{2} (2 x^{2} - 3 x - 15)$ .

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Step 23.1.1

Factor $x$ out of $16 x \cdot 2$ .

$(\frac{x (16 \cdot 2) + x^{2} (2 x^{2} - 3 x - 15)}{2} - 6) (x + i) (x - i)$

Step 23.1.2

Factor $x$ out of $x^{2} (2 x^{2} - 3 x - 15)$ .

$(\frac{x (16 \cdot 2) + x (x (2 x^{2} - 3 x - 15))}{2} - 6) (x + i) (x - i)$

Step 23.1.3

Factor $x$ out of $x (16 \cdot 2) + x (x (2 x^{2} - 3 x - 15))$ .

$(\frac{x (16 \cdot 2 + x (2 x^{2} - 3 x - 15))}{2} - 6) (x + i) (x - i)$

Step 23.2

Multiply $16$ by $2$ .

$(\frac{x (32 + x (2 x^{2} - 3 x - 15))}{2} - 6) (x + i) (x - i)$

Step 23.3

Apply the distributive property.

$(\frac{x (32 + x (2 x^{2}) + x (- 3 x) + x \cdot - 15)}{2} - 6) (x + i) (x - i)$

Step 23.4

Simplify.

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Step 23.4.1

Rewrite using the commutative property of multiplication.

$(\frac{x (32 + 2 x \cdot x^{2} + x (- 3 x) + x \cdot - 15)}{2} - 6) (x + i) (x - i)$

Step 23.4.2

Rewrite using the commutative property of multiplication.

$(\frac{x (32 + 2 x \cdot x^{2} - 3 x \cdot x + x \cdot - 15)}{2} - 6) (x + i) (x - i)$

Step 23.4.3

Move $- 15$ to the left of $x$ .

$(\frac{x (32 + 2 x \cdot x^{2} - 3 x \cdot x - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5

Simplify each term.

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Step 23.5.1

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 23.5.1.1

Move $x^{2}$ .

$(\frac{x (32 + 2 (x^{2} x) - 3 x \cdot x - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5.1.2

Multiply $x^{2}$ by $x$ .

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Step 23.5.1.2.1

Raise $x$ to the power of $1$ .

$(\frac{x (32 + 2 (x^{2} x^{1}) - 3 x \cdot x - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$(\frac{x (32 + 2 x^{2 + 1} - 3 x \cdot x - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5.1.3

Add $2$ and $1$ .

$(\frac{x (32 + 2 x^{3} - 3 x \cdot x - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5.2

Multiply $x$ by $x$ by adding the exponents.

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Step 23.5.2.1

Move $x$ .

$(\frac{x (32 + 2 x^{3} - 3 (x \cdot x) - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

Step 23.5.2.2

Multiply $x$ by $x$ .

$(\frac{x (32 + 2 x^{3} - 3 x^{2} - 15 \cdot x)}{2} - 6) (x + i) (x - i)$

$(\frac{x (32 + 2 x^{3} - 3 x^{2} - 15 x)}{2} - 6) (x + i) (x - i)$

Step 23.6

Reorder terms.

$(\frac{x (2 x^{3} - 3 x^{2} - 15 x + 32)}{2} - 6) (x + i) (x - i)$

Step 24

To write $- 6$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$(\frac{x (2 x^{3} - 3 x^{2} - 15 x + 32)}{2} - 6 \cdot \frac{2}{2}) (x + i) (x - i)$

Step 25

Simplify terms.

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Step 25.1

Combine $- 6$ and $\frac{2}{2}$ .

$(\frac{x (2 x^{3} - 3 x^{2} - 15 x + 32)}{2} + \frac{- 6 \cdot 2}{2}) (x + i) (x - i)$

Step 25.2

Combine the numerators over the common denominator.

$\frac{x (2 x^{3} - 3 x^{2} - 15 x + 32) - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26

Simplify the numerator.

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Step 26.1

Apply the distributive property.

$\frac{x (2 x^{3}) + x (- 3 x^{2}) + x (- 15 x) + x \cdot 32 - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.2

Simplify.

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Step 26.2.1

Rewrite using the commutative property of multiplication.

$\frac{2 x \cdot x^{3} + x (- 3 x^{2}) + x (- 15 x) + x \cdot 32 - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.2.2

Rewrite using the commutative property of multiplication.

$\frac{2 x \cdot x^{3} - 3 x \cdot x^{2} + x (- 15 x) + x \cdot 32 - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.2.3

Rewrite using the commutative property of multiplication.

$\frac{2 x \cdot x^{3} - 3 x \cdot x^{2} - 15 x \cdot x + x \cdot 32 - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.2.4

Move $32$ to the left of $x$ .

$\frac{2 x \cdot x^{3} - 3 x \cdot x^{2} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3

Simplify each term.

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Step 26.3.1

Multiply $x$ by $x^{3}$ by adding the exponents.

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Step 26.3.1.1

Move $x^{3}$ .

$\frac{2 (x^{3} x) - 3 x \cdot x^{2} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.1.2

Multiply $x^{3}$ by $x$ .

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Step 26.3.1.2.1

Raise $x$ to the power of $1$ .

$\frac{2 (x^{3} x^{1}) - 3 x \cdot x^{2} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{3 + 1} - 3 x \cdot x^{2} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.1.3

Add $3$ and $1$ .

$\frac{2 x^{4} - 3 x \cdot x^{2} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.2

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 26.3.2.1

Move $x^{2}$ .

$\frac{2 x^{4} - 3 (x^{2} x) - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.2.2

Multiply $x^{2}$ by $x$ .

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Step 26.3.2.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{4} - 3 (x^{2} x^{1}) - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{4} - 3 x^{2 + 1} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.2.3

Add $2$ and $1$ .

$\frac{2 x^{4} - 3 x^{3} - 15 x \cdot x + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.3

Multiply $x$ by $x$ by adding the exponents.

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Step 26.3.3.1

Move $x$ .

$\frac{2 x^{4} - 3 x^{3} - 15 (x \cdot x) + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.3.3.2

Multiply $x$ by $x$ .

$\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 \cdot x - 6 \cdot 2}{2} (x + i) (x - i)$

$\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 6 \cdot 2}{2} (x + i) (x - i)$

Step 26.4

Multiply $- 6$ by $2$ .

$\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2} (x + i) (x - i)$

Step 27

Simplify terms.

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Step 27.1

Apply the distributive property.

$(\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2} x + \frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2} i) (x - i)$

Step 27.2

Simplify terms.

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Step 27.2.1

Combine $\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2}$ and $x$ .

$(\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x}{2} + \frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2} i) (x - i)$

Step 27.2.2

Combine $\frac{2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2}$ and $i$ .

$(\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x}{2} + \frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) i}{2}) (x - i)$

Step 27.2.3

Combine the numerators over the common denominator.

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x + (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) i}{2} (x - i)$

Step 27.2.4

Reorder factors in $(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x + (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) i$ .

$\frac{x (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) + i (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12)}{2} (x - i)$

Step 27.2.5

Factor $2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12$ out of $x (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) + i (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12)$ .

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Step 27.2.5.1

Factor $2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12$ out of $x (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12)$ .

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x + i (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12)}{2} (x - i)$

Step 27.2.5.2

Factor $2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12$ out of $i (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12)$ .

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x + (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) i}{2} (x - i)$

Step 27.2.5.3

Factor $2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12$ out of $(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) x + (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) i$ .

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2} (x - i)$

Step 27.2.6

Apply the distributive property.

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2} x + \frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2} (- i)$

Step 27.2.7

Combine $\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2}$ and $x$ .

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) x}{2} + \frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2} (- i)$

Step 27.2.8

Combine $\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)}{2}$ and $i$ .

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) x}{2} - \frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.2.9

Combine the numerators over the common denominator.

$\frac{(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3

Simplify each term.

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Step 27.3.1

Expand $(2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{(2 x^{4} x + 2 x^{4} i - 3 x^{3} x - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2

Simplify each term.

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Step 27.3.2.1

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 27.3.2.1.1

Move $x$ .

$\frac{(2 (x \cdot x^{4}) + 2 x^{4} i - 3 x^{3} x - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.1.2

Multiply $x$ by $x^{4}$ .

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Step 27.3.2.1.2.1

Raise $x$ to the power of $1$ .

$\frac{(2 (x^{1} x^{4}) + 2 x^{4} i - 3 x^{3} x - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(2 x^{1 + 4} + 2 x^{4} i - 3 x^{3} x - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.1.3

Add $1$ and $4$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{3} x - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.2

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 27.3.2.2.1

Move $x$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 (x \cdot x^{3}) - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.2.2

Multiply $x$ by $x^{3}$ .

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Step 27.3.2.2.2.1

Raise $x$ to the power of $1$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 (x^{1} x^{3}) - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{1 + 3} - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.2.3

Add $1$ and $3$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 x^{2} x - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.3

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 27.3.2.3.1

Move $x$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 (x \cdot x^{2}) - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.3.2

Multiply $x$ by $x^{2}$ .

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Step 27.3.2.3.2.1

Raise $x$ to the power of $1$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 (x^{1} x^{2}) - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 x^{1 + 2} - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.3.3

Add $1$ and $2$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 x^{3} - 15 x^{2} i + 32 x \cdot x + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.4

Multiply $x$ by $x$ by adding the exponents.

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Step 27.3.2.4.1

Move $x$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 x^{3} - 15 x^{2} i + 32 (x \cdot x) + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.2.4.2

Multiply $x$ by $x$ .

$\frac{(2 x^{5} + 2 x^{4} i - 3 x^{4} - 3 x^{3} i - 15 x^{3} - 15 x^{2} i + 32 x^{2} + 32 x i - 12 x - 12 i) x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.3

Apply the distributive property.

$\frac{2 x^{5} x + 2 x^{4} i x - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4

Simplify.

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Step 27.3.4.1

Multiply $x^{5}$ by $x$ by adding the exponents.

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Step 27.3.4.1.1

Move $x$ .

$\frac{2 (x \cdot x^{5}) + 2 x^{4} i x - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.1.2

Multiply $x$ by $x^{5}$ .

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Step 27.3.4.1.2.1

Raise $x$ to the power of $1$ .

$\frac{2 (x^{1} x^{5}) + 2 x^{4} i x - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{1 + 5} + 2 x^{4} i x - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.1.3

Add $1$ and $5$ .

$\frac{2 x^{6} + 2 x^{4} i x - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.2

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 27.3.4.2.1

Move $x$ .

$\frac{2 x^{6} + 2 (x \cdot x^{4}) i - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.2.2

Multiply $x$ by $x^{4}$ .

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Step 27.3.4.2.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 (x^{1} x^{4}) i - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{1 + 4} i - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.2.3

Add $1$ and $4$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{4} x - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.3

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 27.3.4.3.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 (x \cdot x^{4}) - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.3.2

Multiply $x$ by $x^{4}$ .

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Step 27.3.4.3.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 (x^{1} x^{4}) - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{1 + 4} - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.3.3

Add $1$ and $4$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{3} i x - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.4

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 27.3.4.4.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 (x \cdot x^{3}) i - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.4.2

Multiply $x$ by $x^{3}$ .

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Step 27.3.4.4.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 (x^{1} x^{3}) i - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.4.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{1 + 3} i - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.4.3

Add $1$ and $3$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{3} x - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.5

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 27.3.4.5.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 (x \cdot x^{3}) - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.5.2

Multiply $x$ by $x^{3}$ .

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Step 27.3.4.5.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 (x^{1} x^{3}) - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.5.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{1 + 3} - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.5.3

Add $1$ and $3$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{2} i x + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.6

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 27.3.4.6.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 (x \cdot x^{2}) i + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.6.2

Multiply $x$ by $x^{2}$ .

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Step 27.3.4.6.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 (x^{1} x^{2}) i + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.6.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{1 + 2} i + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.6.3

Add $1$ and $2$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{2} x + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.7

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 27.3.4.7.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 (x \cdot x^{2}) + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.7.2

Multiply $x$ by $x^{2}$ .

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Step 27.3.4.7.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 (x^{1} x^{2}) + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.7.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{1 + 2} + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.7.3

Add $1$ and $2$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x i x - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.8

Multiply $x$ by $x$ by adding the exponents.

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Step 27.3.4.8.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 (x \cdot x) i - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.8.2

Multiply $x$ by $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x \cdot x - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.9

Multiply $x$ by $x$ by adding the exponents.

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Step 27.3.4.9.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 (x \cdot x) - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.4.9.2

Multiply $x$ by $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - (2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12) (x + i) i}{2}$

Step 27.3.5

Apply the distributive property.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- (2 x^{4}) - (- 3 x^{3}) - (- 15 x^{2}) - (32 x) - - 12) (x + i) i}{2}$

Step 27.3.6

Simplify.

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Step 27.3.6.1

Multiply $2$ by $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} - (- 3 x^{3}) - (- 15 x^{2}) - (32 x) - - 12) (x + i) i}{2}$

Step 27.3.6.2

Multiply $- 3$ by $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} + 3 x^{3} - (- 15 x^{2}) - (32 x) - - 12) (x + i) i}{2}$

Step 27.3.6.3

Multiply $- 15$ by $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} + 3 x^{3} + 15 x^{2} - (32 x) - - 12) (x + i) i}{2}$

Step 27.3.6.4

Multiply $32$ by $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} + 3 x^{3} + 15 x^{2} - 32 x - - 12) (x + i) i}{2}$

Step 27.3.6.5

Multiply $- 1$ by $- 12$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} + 3 x^{3} + 15 x^{2} - 32 x + 12) (x + i) i}{2}$

Step 27.3.7

Expand $(- 2 x^{4} + 3 x^{3} + 15 x^{2} - 32 x + 12) (x + i)$ by multiplying each term in the first expression by each term in the second expression.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{4} x - 2 x^{4} i + 3 x^{3} x + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8

Simplify each term.

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Step 27.3.8.1

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 27.3.8.1.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 (x \cdot x^{4}) - 2 x^{4} i + 3 x^{3} x + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.1.2

Multiply $x$ by $x^{4}$ .

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Step 27.3.8.1.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 (x^{1} x^{4}) - 2 x^{4} i + 3 x^{3} x + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{1 + 4} - 2 x^{4} i + 3 x^{3} x + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.1.3

Add $1$ and $4$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{3} x + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.2

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 27.3.8.2.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 (x \cdot x^{3}) + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.2.2

Multiply $x$ by $x^{3}$ .

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Step 27.3.8.2.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 (x^{1} x^{3}) + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{1 + 3} + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.2.3

Add $1$ and $3$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 x^{2} x + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.3

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 27.3.8.3.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 (x \cdot x^{2}) + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.3.2

Multiply $x$ by $x^{2}$ .

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Step 27.3.8.3.2.1

Raise $x$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 (x^{1} x^{2}) + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 x^{1 + 2} + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.3.3

Add $1$ and $2$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 x^{3} + 15 x^{2} i - 32 x \cdot x - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.4

Multiply $x$ by $x$ by adding the exponents.

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Step 27.3.8.4.1

Move $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 x^{3} + 15 x^{2} i - 32 (x \cdot x) - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.8.4.2

Multiply $x$ by $x$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + (- 2 x^{5} - 2 x^{4} i + 3 x^{4} + 3 x^{3} i + 15 x^{3} + 15 x^{2} i - 32 x^{2} - 32 x i + 12 x + 12 i) i}{2}$

Step 27.3.9

Apply the distributive property.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i i + 3 x^{4} i + 3 x^{3} i i + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10

Simplify.

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Step 27.3.10.1

Multiply $- 2 x^{4} i i$ .

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Step 27.3.10.1.1

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} (i^{1} i) + 3 x^{4} i + 3 x^{3} i i + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.1.2

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} (i^{1} i^{1}) + 3 x^{4} i + 3 x^{3} i i + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.1.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{1 + 1} + 3 x^{4} i + 3 x^{3} i i + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.1.4

Add $1$ and $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i i + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.2

Multiply $3 x^{3} i i$ .

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Step 27.3.10.2.1

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} (i^{1} i) + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.2.2

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} (i^{1} i^{1}) + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.2.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{1 + 1} + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.2.4

Add $1$ and $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} i i - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.3

Multiply $15 x^{2} i i$ .

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Step 27.3.10.3.1

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} (i^{1} i) - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.3.2

Raise $i$ to the power of $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} (i^{1} i^{1}) - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.3.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} i^{1 + 1} - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.3.4

Add $1$ and $1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} i^{2} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} i^{2} - 32 x^{2} i - 32 x i i + 12 x i + 12 i i}{2}$

Step 27.3.10.4

Multiply $- 32 x i i$ .

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Step 27.3.10.4.1

Raise $i$ to the power of $1$ .

Step 27.3.10.4.2

Raise $i$ to the power of $1$ .

Step 27.3.10.4.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

Step 27.3.10.4.4

Add $1$ and $1$ .

Step 27.3.10.5

Multiply $12 i i$ .

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Step 27.3.10.5.1

Raise $i$ to the power of $1$ .

Step 27.3.10.5.2

Raise $i$ to the power of $1$ .

Step 27.3.10.5.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

Step 27.3.10.5.4

Add $1$ and $1$ .

Step 27.3.11

Simplify each term.

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Step 27.3.11.1

Rewrite $i^{2}$ as $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i - 2 x^{4} \cdot - 1 + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} i^{2} - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.2

Multiply $- 1$ by $- 2$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i + 3 x^{3} i^{2} + 15 x^{3} i + 15 x^{2} i^{2} - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.3

Rewrite $i^{2}$ as $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i + 3 x^{3} \cdot - 1 + 15 x^{3} i + 15 x^{2} i^{2} - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.4

Multiply $- 1$ by $3$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i + 15 x^{2} i^{2} - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.5

Rewrite $i^{2}$ as $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i + 15 x^{2} \cdot - 1 - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.6

Multiply $- 1$ by $15$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i - 32 x i^{2} + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.7

Rewrite $i^{2}$ as $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i - 32 x \cdot - 1 + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.8

Multiply $- 1$ by $- 32$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i + 12 i^{2}}{2}$

Step 27.3.11.9

Rewrite $i^{2}$ as $- 1$ .

Step 27.3.11.10

Multiply $12$ by $- 1$ .

$\frac{2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4

Simplify by adding terms.

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Step 27.4.1

Combine the opposite terms in $2 x^{6} + 2 x^{5} i - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x - 2 x^{5} i + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12$ .

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Step 27.4.1.1

Subtract $2 x^{5} i$ from $2 x^{5} i$ .

$\frac{2 x^{6} - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 0 + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.2

Add $2 x^{6} - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x$ and $0$ .

$\frac{2 x^{6} - 3 x^{5} - 3 x^{4} i - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} + 3 x^{4} i - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.3

Add $- 3 x^{4} i$ and $3 x^{4} i$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} + 0 - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.4

Add $2 x^{6} - 3 x^{5} - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4}$ and $0$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} - 15 x^{3} i + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} + 15 x^{3} i - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.5

Add $- 15 x^{3} i$ and $15 x^{3} i$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} + 0 - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.6

Add $2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3}$ and $0$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} + 32 x^{2} i - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} - 15 x^{2} - 32 x^{2} i + 32 x + 12 x i - 12}{2}$

Step 27.4.1.7

Subtract $32 x^{2} i$ from $32 x^{2} i$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} - 15 x^{2} + 0 + 32 x + 12 x i - 12}{2}$

Step 27.4.1.8

Add $2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} - 15 x^{2}$ and $0$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x + 12 x i - 12}{2}$

Step 27.4.1.9

Reorder the factors in the terms $- 12 i x$ and $12 x i$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} - 12 i x + 2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x + 12 i x - 12}{2}$

Step 27.4.1.10

Add $- 12 i x$ and $12 i x$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} + 2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x + 0 - 12}{2}$

Step 27.4.1.11

Add $2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} + 2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x$ and $0$ .

$\frac{2 x^{6} - 3 x^{5} - 15 x^{4} + 32 x^{3} - 12 x^{2} + 2 x^{4} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2}$

Step 27.4.2

Add $- 15 x^{4}$ and $2 x^{4}$ .

$\frac{2 x^{6} - 3 x^{5} - 13 x^{4} + 32 x^{3} - 12 x^{2} - 3 x^{3} - 15 x^{2} + 32 x - 12}{2}$

Step 27.4.3

Subtract $3 x^{3}$ from $32 x^{3}$ .

$\frac{2 x^{6} - 3 x^{5} - 13 x^{4} + 29 x^{3} - 12 x^{2} - 15 x^{2} + 32 x - 12}{2}$

Step 27.4.4

Subtract $15 x^{2}$ from $- 12 x^{2}$ .

$\frac{2 x^{6} - 3 x^{5} - 13 x^{4} + 29 x^{3} - 27 x^{2} + 32 x - 12}{2}$