Precalculus Examples

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

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

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

Step 1.2

Simplify.

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Step 1.2.1

Multiply $4$ by $2$ .

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

Step 1.2.2

Multiply $4$ by $- 3$ .

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

Step 1.2.3

Multiply $4$ by $1$ .

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

Step 1.3

Use the Binomial Theorem.

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

Step 1.4

Simplify each term.

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Step 1.4.1

Apply the product rule to $3 x$ .

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

Step 1.4.2

Raise $3$ to the power of $3$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3 {(3 x)}^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.3

Apply the product rule to $3 x$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3 (3^{2} x^{2}) \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.4

Multiply $3$ by $3^{2}$ by adding the exponents.

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Step 1.4.4.1

Move $3^{2}$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3^{2} \cdot 3 x^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.4.2

Multiply $3^{2}$ by $3$ .

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Step 1.4.4.2.1

Raise $3$ to the power of $1$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3^{2} \cdot 3^{1} x^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.4.2.2

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

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3^{2 + 1} x^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.4.3

Add $2$ and $1$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 3^{3} x^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.5

Raise $3$ to the power of $3$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 27 x^{2} \cdot 2 + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.6

Multiply $2$ by $27$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 3 (3 x) \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.7

Multiply $3$ by $3$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 9 x \cdot 2^{2} + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.8

Raise $2$ to the power of $2$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 9 x \cdot 4 + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.9

Multiply $4$ by $9$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 36 x + 2^{3}) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.4.10

Raise $2$ to the power of $3$ .

$(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 36 x + 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.5

Expand $(8 x^{2} - 12 x + 4) (27 x^{3} + 54 x^{2} + 36 x + 8)$ by multiplying each term in the first expression by each term in the second expression.

$(8 x^{2} (27 x^{3}) + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6

Simplify each term.

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Step 1.6.1

Rewrite using the commutative property of multiplication.

$(8 \cdot 27 x^{2} x^{3} + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.2

Multiply $x^{2}$ by $x^{3}$ by adding the exponents.

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Step 1.6.2.1

Move $x^{3}$ .

$(8 \cdot 27 (x^{3} x^{2}) + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.2.2

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

$(8 \cdot 27 x^{3 + 2} + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.2.3

Add $3$ and $2$ .

$(8 \cdot 27 x^{5} + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.3

Multiply $8$ by $27$ .

$(216 x^{5} + 8 x^{2} (54 x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.4

Rewrite using the commutative property of multiplication.

$(216 x^{5} + 8 \cdot 54 x^{2} x^{2} + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.5

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

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Step 1.6.5.1

Move $x^{2}$ .

$(216 x^{5} + 8 \cdot 54 (x^{2} x^{2}) + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.5.2

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

$(216 x^{5} + 8 \cdot 54 x^{2 + 2} + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.5.3

Add $2$ and $2$ .

$(216 x^{5} + 8 \cdot 54 x^{4} + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.6

Multiply $8$ by $54$ .

$(216 x^{5} + 432 x^{4} + 8 x^{2} (36 x) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.7

Rewrite using the commutative property of multiplication.

$(216 x^{5} + 432 x^{4} + 8 \cdot 36 x^{2} x + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.8

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

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Step 1.6.8.1

Move $x$ .

$(216 x^{5} + 432 x^{4} + 8 \cdot 36 (x \cdot x^{2}) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.8.2

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

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Step 1.6.8.2.1

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

$(216 x^{5} + 432 x^{4} + 8 \cdot 36 (x^{1} x^{2}) + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.8.2.2

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

$(216 x^{5} + 432 x^{4} + 8 \cdot 36 x^{1 + 2} + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.8.3

Add $1$ and $2$ .

$(216 x^{5} + 432 x^{4} + 8 \cdot 36 x^{3} + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.9

Multiply $8$ by $36$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 8 x^{2} \cdot 8 - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.10

Multiply $8$ by $8$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 x (27 x^{3}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.11

Rewrite using the commutative property of multiplication.

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 \cdot 27 x \cdot x^{3} - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.12

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

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Step 1.6.12.1

Move $x^{3}$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 \cdot 27 (x^{3} x) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.12.2

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

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Step 1.6.12.2.1

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

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 \cdot 27 (x^{3} x^{1}) - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.12.2.2

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

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 \cdot 27 x^{3 + 1} - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.12.3

Add $3$ and $1$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 12 \cdot 27 x^{4} - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.13

Multiply $- 12$ by $27$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 x (54 x^{2}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.14

Rewrite using the commutative property of multiplication.

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 \cdot 54 x \cdot x^{2} - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.15

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

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Step 1.6.15.1

Move $x^{2}$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 \cdot 54 (x^{2} x) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.15.2

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

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Step 1.6.15.2.1

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

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 \cdot 54 (x^{2} x^{1}) - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.15.2.2

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

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 \cdot 54 x^{2 + 1} - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.15.3

Add $2$ and $1$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 12 \cdot 54 x^{3} - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.16

Multiply $- 12$ by $54$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 12 x (36 x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.17

Rewrite using the commutative property of multiplication.

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 12 \cdot 36 x \cdot x - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.18

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

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Step 1.6.18.1

Move $x$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 12 \cdot 36 (x \cdot x) - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.18.2

Multiply $x$ by $x$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 12 \cdot 36 x^{2} - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.19

Multiply $- 12$ by $36$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 12 x \cdot 8 + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.20

Multiply $8$ by $- 12$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 96 x + 4 (27 x^{3}) + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.21

Multiply $27$ by $4$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 96 x + 108 x^{3} + 4 (54 x^{2}) + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.22

Multiply $54$ by $4$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 96 x + 108 x^{3} + 216 x^{2} + 4 (36 x) + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.23

Multiply $36$ by $4$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 96 x + 108 x^{3} + 216 x^{2} + 144 x + 4 \cdot 8) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.6.24

Multiply $4$ by $8$ .

$(216 x^{5} + 432 x^{4} + 288 x^{3} + 64 x^{2} - 324 x^{4} - 648 x^{3} - 432 x^{2} - 96 x + 108 x^{3} + 216 x^{2} + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.7

Subtract $324 x^{4}$ from $432 x^{4}$ .

$(216 x^{5} + 108 x^{4} + 288 x^{3} + 64 x^{2} - 648 x^{3} - 432 x^{2} - 96 x + 108 x^{3} + 216 x^{2} + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.8

Subtract $648 x^{3}$ from $288 x^{3}$ .

$(216 x^{5} + 108 x^{4} - 360 x^{3} + 64 x^{2} - 432 x^{2} - 96 x + 108 x^{3} + 216 x^{2} + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.9

Add $- 360 x^{3}$ and $108 x^{3}$ .

$(216 x^{5} + 108 x^{4} - 252 x^{3} + 64 x^{2} - 432 x^{2} - 96 x + 216 x^{2} + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.10

Subtract $432 x^{2}$ from $64 x^{2}$ .

$(216 x^{5} + 108 x^{4} - 252 x^{3} - 368 x^{2} - 96 x + 216 x^{2} + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.11

Add $- 368 x^{2}$ and $216 x^{2}$ .

$(216 x^{5} + 108 x^{4} - 252 x^{3} - 152 x^{2} - 96 x + 144 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.12

Add $- 96 x$ and $144 x$ .

$(216 x^{5} + 108 x^{4} - 252 x^{3} - 152 x^{2} + 48 x + 32) \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.13

Apply the distributive property.

$216 x^{5} \cdot 3 + 108 x^{4} \cdot 3 - 252 x^{3} \cdot 3 - 152 x^{2} \cdot 3 + 48 x \cdot 3 + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14

Simplify.

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Step 1.14.1

Multiply $3$ by $216$ .

$648 x^{5} + 108 x^{4} \cdot 3 - 252 x^{3} \cdot 3 - 152 x^{2} \cdot 3 + 48 x \cdot 3 + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14.2

Multiply $3$ by $108$ .

$648 x^{5} + 324 x^{4} - 252 x^{3} \cdot 3 - 152 x^{2} \cdot 3 + 48 x \cdot 3 + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14.3

Multiply $3$ by $- 252$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 152 x^{2} \cdot 3 + 48 x \cdot 3 + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14.4

Multiply $3$ by $- 152$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 48 x \cdot 3 + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14.5

Multiply $3$ by $48$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 32 \cdot 3 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.14.6

Multiply $32$ by $3$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + {(3 x + 2)}^{4} (4 x - 3)$

Step 1.15

Use the Binomial Theorem.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + ({(3 x)}^{4} + 4 {(3 x)}^{3} \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16

Simplify each term.

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Step 1.16.1

Apply the product rule to $3 x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (3^{4} x^{4} + 4 {(3 x)}^{3} \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.2

Raise $3$ to the power of $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 4 {(3 x)}^{3} \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.3

Apply the product rule to $3 x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 4 (3^{3} x^{3}) \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.4

Raise $3$ to the power of $3$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 4 (27 x^{3}) \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.5

Multiply $27$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 108 x^{3} \cdot 2 + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.6

Multiply $2$ by $108$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 6 {(3 x)}^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.7

Apply the product rule to $3 x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 6 (3^{2} x^{2}) \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.8

Raise $3$ to the power of $2$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 6 (9 x^{2}) \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.9

Multiply $9$ by $6$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 54 x^{2} \cdot 2^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.10

Raise $2$ to the power of $2$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 54 x^{2} \cdot 4 + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.11

Multiply $4$ by $54$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 216 x^{2} + 4 (3 x) \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.12

Multiply $3$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 216 x^{2} + 12 x \cdot 2^{3} + 2^{4}) (4 x - 3)$

Step 1.16.13

Raise $2$ to the power of $3$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 216 x^{2} + 12 x \cdot 8 + 2^{4}) (4 x - 3)$

Step 1.16.14

Multiply $8$ by $12$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 216 x^{2} + 96 x + 2^{4}) (4 x - 3)$

Step 1.16.15

Raise $2$ to the power of $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + (81 x^{4} + 216 x^{3} + 216 x^{2} + 96 x + 16) (4 x - 3)$

Step 1.17

Expand $(81 x^{4} + 216 x^{3} + 216 x^{2} + 96 x + 16) (4 x - 3)$ by multiplying each term in the first expression by each term in the second expression.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 x^{4} (4 x) + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18

Simplify each term.

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Step 1.18.1

Rewrite using the commutative property of multiplication.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 \cdot 4 x^{4} x + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.2

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

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Step 1.18.2.1

Move $x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 \cdot 4 (x \cdot x^{4}) + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.2.2

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

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Step 1.18.2.2.1

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 \cdot 4 (x^{1} x^{4}) + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.2.2.2

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 \cdot 4 x^{1 + 4} + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.2.3

Add $1$ and $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 81 \cdot 4 x^{5} + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.3

Multiply $81$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} + 81 x^{4} \cdot - 3 + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.4

Multiply $- 3$ by $81$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 x^{3} (4 x) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.5

Rewrite using the commutative property of multiplication.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 \cdot 4 x^{3} x + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.6

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

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Step 1.18.6.1

Move $x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 \cdot 4 (x \cdot x^{3}) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.6.2

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

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Step 1.18.6.2.1

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 \cdot 4 (x^{1} x^{3}) + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.6.2.2

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 \cdot 4 x^{1 + 3} + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.6.3

Add $1$ and $3$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 216 \cdot 4 x^{4} + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.7

Multiply $216$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} + 216 x^{3} \cdot - 3 + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.8

Multiply $- 3$ by $216$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 x^{2} (4 x) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.9

Rewrite using the commutative property of multiplication.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 \cdot 4 x^{2} x + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.10

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

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Step 1.18.10.1

Move $x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 \cdot 4 (x \cdot x^{2}) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.10.2

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

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Step 1.18.10.2.1

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 \cdot 4 (x^{1} x^{2}) + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.10.2.2

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

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 \cdot 4 x^{1 + 2} + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.10.3

Add $1$ and $2$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 216 \cdot 4 x^{3} + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.11

Multiply $216$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} + 216 x^{2} \cdot - 3 + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.12

Multiply $- 3$ by $216$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 96 x (4 x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.13

Rewrite using the commutative property of multiplication.

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 96 \cdot 4 x \cdot x + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.14

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

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Step 1.18.14.1

Move $x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 96 \cdot 4 (x \cdot x) + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.14.2

Multiply $x$ by $x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 96 \cdot 4 x^{2} + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.15

Multiply $96$ by $4$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 384 x^{2} + 96 x \cdot - 3 + 16 (4 x) + 16 \cdot - 3$

Step 1.18.16

Multiply $- 3$ by $96$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 384 x^{2} - 288 x + 16 (4 x) + 16 \cdot - 3$

Step 1.18.17

Multiply $4$ by $16$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 384 x^{2} - 288 x + 64 x + 16 \cdot - 3$

Step 1.18.18

Multiply $16$ by $- 3$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} - 243 x^{4} + 864 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 384 x^{2} - 288 x + 64 x - 48$

Step 1.19

Add $- 243 x^{4}$ and $864 x^{4}$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} + 621 x^{4} - 648 x^{3} + 864 x^{3} - 648 x^{2} + 384 x^{2} - 288 x + 64 x - 48$

Step 1.20

Add $- 648 x^{3}$ and $864 x^{3}$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} + 621 x^{4} + 216 x^{3} - 648 x^{2} + 384 x^{2} - 288 x + 64 x - 48$

Step 1.21

Add $- 648 x^{2}$ and $384 x^{2}$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} + 621 x^{4} + 216 x^{3} - 264 x^{2} - 288 x + 64 x - 48$

Step 1.22

Add $- 288 x$ and $64 x$ .

$648 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 324 x^{5} + 621 x^{4} + 216 x^{3} - 264 x^{2} - 224 x - 48$

Step 2

Simplify by adding terms.

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Step 2.1

Add $648 x^{5}$ and $324 x^{5}$ .

$972 x^{5} + 324 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 621 x^{4} + 216 x^{3} - 264 x^{2} - 224 x - 48$

Step 2.2

Add $324 x^{4}$ and $621 x^{4}$ .

$972 x^{5} + 945 x^{4} - 756 x^{3} - 456 x^{2} + 144 x + 96 + 216 x^{3} - 264 x^{2} - 224 x - 48$

Step 2.3

Add $- 756 x^{3}$ and $216 x^{3}$ .

$972 x^{5} + 945 x^{4} - 540 x^{3} - 456 x^{2} + 144 x + 96 - 264 x^{2} - 224 x - 48$

Step 2.4

Subtract $264 x^{2}$ from $- 456 x^{2}$ .

$972 x^{5} + 945 x^{4} - 540 x^{3} - 720 x^{2} + 144 x + 96 - 224 x - 48$

Step 2.5

Subtract $224 x$ from $144 x$ .

$972 x^{5} + 945 x^{4} - 540 x^{3} - 720 x^{2} - 80 x + 96 - 48$

Step 2.6

Subtract $48$ from $96$ .

$972 x^{5} + 945 x^{4} - 540 x^{3} - 720 x^{2} - 80 x + 48$