Algebra Examples

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

Step 1

Simplify the numerator.

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Step 1.1

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

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Step 1.1.1

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

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

Step 1.1.2

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

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

Step 1.1.3

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

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

Step 1.2

Combine exponents.

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Step 1.2.1

Multiply $4$ by $3$ .

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

Step 1.2.2

Multiply $12$ by $- 1$ .

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

Step 1.2.3

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

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

Step 1.2.4

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

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

Step 1.2.5

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

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

Step 1.2.6

Add $1$ and $1$ .

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

Step 1.3

Simplify each term.

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Step 1.3.1

Apply the distributive property.

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

Step 1.3.2

Move $4$ to the left of $x^{2}$ .

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

Step 1.3.3

Multiply $2$ by $4$ .

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

Step 1.4

Subtract $12 x^{2}$ from $4 x^{2}$ .

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

Step 1.5

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

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Step 1.5.1

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

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

Step 1.5.2

Factor $8$ out of $8$ .

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

Step 1.5.3

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

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

Step 1.6

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

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

Step 1.7

Reorder $- x^{2}$ and $1^{2}$ .

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

Step 1.8

Factor.

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

Step 2

Simplify the denominator.

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Step 2.1

Multiply the exponents in ${({(x^{2} + 2)}^{3})}^{2}$ .

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Step 2.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

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

Step 2.1.2

Multiply $3$ by $2$ .

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

Step 2.2

Use the Binomial Theorem.

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{{(x^{2})}^{6} + 6 {(x^{2})}^{5} \cdot 2 + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3

Simplify each term.

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Step 2.3.1

Multiply the exponents in ${(x^{2})}^{6}$ .

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Step 2.3.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{2 \cdot 6} + 6 {(x^{2})}^{5} \cdot 2 + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.1.2

Multiply $2$ by $6$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 6 {(x^{2})}^{5} \cdot 2 + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.2

Multiply the exponents in ${(x^{2})}^{5}$ .

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Step 2.3.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 6 x^{2 \cdot 5} \cdot 2 + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.2.2

Multiply $2$ by $5$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 6 x^{10} \cdot 2 + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.3

Multiply $2$ by $6$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 15 {(x^{2})}^{4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.4

Multiply the exponents in ${(x^{2})}^{4}$ .

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Step 2.3.4.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 15 x^{2 \cdot 4} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.4.2

Multiply $2$ by $4$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 15 x^{8} \cdot 2^{2} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.5

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

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 15 x^{8} \cdot 4 + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.6

Multiply $4$ by $15$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 20 {(x^{2})}^{3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.7

Multiply the exponents in ${(x^{2})}^{3}$ .

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Step 2.3.7.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 20 x^{2 \cdot 3} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.7.2

Multiply $2$ by $3$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 20 x^{6} \cdot 2^{3} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.8

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

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 20 x^{6} \cdot 8 + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.9

Multiply $8$ by $20$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 15 {(x^{2})}^{2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.10

Multiply the exponents in ${(x^{2})}^{2}$ .

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Step 2.3.10.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 15 x^{2 \cdot 2} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.10.2

Multiply $2$ by $2$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 15 x^{4} \cdot 2^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.11

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

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 15 x^{4} \cdot 16 + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.12

Multiply $16$ by $15$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 6 x^{2} \cdot 2^{5} + 2^{6}}$

Step 2.3.13

Raise $2$ to the power of $5$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 6 x^{2} \cdot 32 + 2^{6}}$

Step 2.3.14

Multiply $32$ by $6$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 192 x^{2} + 2^{6}}$

Step 2.3.15

Raise $2$ to the power of $6$ .

$\frac{{(x^{2} + 2)}^{2} x \cdot 8 (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 192 x^{2} + 64}$

Step 3

Reorder.

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Step 3.1

Move $8$ to the left of ${(x^{2} + 2)}^{2} x$ .

$\frac{8 \cdot ({(x^{2} + 2)}^{2} x) (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 192 x^{2} + 64}$

Step 3.2

Reorder factors in $\frac{8 {(x^{2} + 2)}^{2} x (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 192 x^{2} + 64}$ .

$\frac{8 x {(x^{2} + 2)}^{2} (1 + x) (1 - x)}{x^{12} + 12 x^{10} + 60 x^{8} + 160 x^{6} + 240 x^{4} + 192 x^{2} + 64}$