Precalculus Examples

$5 {(x^{2} + 2)}^{4} (2 x) {(x - 2)}^{4} + {(x^{2} + 2)}^{5} (4) {(x - 2)}^{3}$

Step 1

Multiply ${(x^{2} + 2)}^{5}$ by $4$ .

$5 {(x^{2} + 2)}^{4} (2 x) {(x - 2)}^{4} + {(x^{2} + 2)}^{5} \cdot 4 {(x - 2)}^{3}$

Step 2

Factor ${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3}$ out of $5 {(x^{2} + 2)}^{4} (2 x) {(x - 2)}^{4} + {(x^{2} + 2)}^{5} \cdot 4 {(x - 2)}^{3}$ .

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Step 2.1

Factor ${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3}$ out of $5 {(x^{2} + 2)}^{4} (2 x) {(x - 2)}^{4}$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 (x) (x - 2)) + {(x^{2} + 2)}^{5} \cdot 4 {(x - 2)}^{3}$

Step 2.2

Factor ${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3}$ out of ${(x^{2} + 2)}^{5} \cdot 4 {(x - 2)}^{3}$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 (x) (x - 2)) + {(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} ((x^{2} + 2) \cdot 2)$

Step 2.3

Factor ${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3}$ out of ${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 (x) (x - 2)) + {(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} ((x^{2} + 2) \cdot 2)$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 (x) (x - 2) + (x^{2} + 2) \cdot 2)$

Step 3

Multiply $5$ by $x$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x (x - 2) + (x^{2} + 2) \cdot 2)$

Step 4

Apply the distributive property.

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x \cdot x + 5 x \cdot - 2 + (x^{2} + 2) \cdot 2)$

Step 5

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

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Step 5.1

Move $x$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 (x \cdot x) + 5 x \cdot - 2 + (x^{2} + 2) \cdot 2)$

Step 5.2

Multiply $x$ by $x$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x^{2} + 5 x \cdot - 2 + (x^{2} + 2) \cdot 2)$

Step 6

Multiply $- 2$ by $5$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x^{2} - 10 x + (x^{2} + 2) \cdot 2)$

Step 7

Apply the distributive property.

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x^{2} - 10 x + x^{2} \cdot 2 + 2 \cdot 2)$

Step 8

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

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x^{2} - 10 x + 2 \cdot x^{2} + 2 \cdot 2)$

Step 9

Multiply $2$ by $2$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (5 x^{2} - 10 x + 2 x^{2} + 4)$

Step 10

Add $5 x^{2}$ and $2 x^{2}$ .

${(x^{2} + 2)}^{4} \cdot 2 {(x - 2)}^{3} (7 x^{2} - 10 x + 4)$