Basic Math Examples

$5 {(p - 5)}^{4} + 20 {(p - 5)}^{3}$

Step 1

Simplify each term.

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Step 1.1

Use the Binomial Theorem.

$5 (p^{4} + 4 p^{3} \cdot - 5 + 6 p^{2} {(- 5)}^{2} + 4 p {(- 5)}^{3} + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2

Simplify each term.

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Step 1.2.1

Multiply $- 5$ by $4$ .

$5 (p^{4} - 20 p^{3} + 6 p^{2} {(- 5)}^{2} + 4 p {(- 5)}^{3} + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2.2

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

$5 (p^{4} - 20 p^{3} + 6 p^{2} \cdot 25 + 4 p {(- 5)}^{3} + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2.3

Multiply $25$ by $6$ .

$5 (p^{4} - 20 p^{3} + 150 p^{2} + 4 p {(- 5)}^{3} + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2.4

Raise $- 5$ to the power of $3$ .

$5 (p^{4} - 20 p^{3} + 150 p^{2} + 4 p \cdot - 125 + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2.5

Multiply $- 125$ by $4$ .

$5 (p^{4} - 20 p^{3} + 150 p^{2} - 500 p + {(- 5)}^{4}) + 20 {(p - 5)}^{3}$

Step 1.2.6

Raise $- 5$ to the power of $4$ .

$5 (p^{4} - 20 p^{3} + 150 p^{2} - 500 p + 625) + 20 {(p - 5)}^{3}$

Step 1.3

Apply the distributive property.

$5 p^{4} + 5 (- 20 p^{3}) + 5 (150 p^{2}) + 5 (- 500 p) + 5 \cdot 625 + 20 {(p - 5)}^{3}$

Step 1.4

Simplify.

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Step 1.4.1

Multiply $- 20$ by $5$ .

$5 p^{4} - 100 p^{3} + 5 (150 p^{2}) + 5 (- 500 p) + 5 \cdot 625 + 20 {(p - 5)}^{3}$

Step 1.4.2

Multiply $150$ by $5$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} + 5 (- 500 p) + 5 \cdot 625 + 20 {(p - 5)}^{3}$

Step 1.4.3

Multiply $- 500$ by $5$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 5 \cdot 625 + 20 {(p - 5)}^{3}$

Step 1.4.4

Multiply $5$ by $625$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 {(p - 5)}^{3}$

Step 1.5

Use the Binomial Theorem.

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 (p^{3} + 3 p^{2} \cdot - 5 + 3 p {(- 5)}^{2} + {(- 5)}^{3})$

Step 1.6

Simplify each term.

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Step 1.6.1

Multiply $- 5$ by $3$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 (p^{3} - 15 p^{2} + 3 p {(- 5)}^{2} + {(- 5)}^{3})$

Step 1.6.2

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

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 (p^{3} - 15 p^{2} + 3 p \cdot 25 + {(- 5)}^{3})$

Step 1.6.3

Multiply $25$ by $3$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 (p^{3} - 15 p^{2} + 75 p + {(- 5)}^{3})$

Step 1.6.4

Raise $- 5$ to the power of $3$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 (p^{3} - 15 p^{2} + 75 p - 125)$

Step 1.7

Apply the distributive property.

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 p^{3} + 20 (- 15 p^{2}) + 20 (75 p) + 20 \cdot - 125$

Step 1.8

Simplify.

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Step 1.8.1

Multiply $- 15$ by $20$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 p^{3} - 300 p^{2} + 20 (75 p) + 20 \cdot - 125$

Step 1.8.2

Multiply $75$ by $20$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 p^{3} - 300 p^{2} + 1500 p + 20 \cdot - 125$

Step 1.8.3

Multiply $20$ by $- 125$ .

$5 p^{4} - 100 p^{3} + 750 p^{2} - 2500 p + 3125 + 20 p^{3} - 300 p^{2} + 1500 p - 2500$

Step 2

Simplify by adding terms.

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Step 2.1

Add $- 100 p^{3}$ and $20 p^{3}$ .

$5 p^{4} - 80 p^{3} + 750 p^{2} - 2500 p + 3125 - 300 p^{2} + 1500 p - 2500$

Step 2.2

Subtract $300 p^{2}$ from $750 p^{2}$ .

$5 p^{4} - 80 p^{3} + 450 p^{2} - 2500 p + 3125 + 1500 p - 2500$

Step 2.3

Add $- 2500 p$ and $1500 p$ .

$5 p^{4} - 80 p^{3} + 450 p^{2} - 1000 p + 3125 - 2500$

Step 2.4

Subtract $2500$ from $3125$ .

$5 p^{4} - 80 p^{3} + 450 p^{2} - 1000 p + 625$