Basic Math Examples

${(8 c - 4 b^{\frac{5}{2}})}^{2}$

Step 1

Rewrite ${(8 c - 4 b^{\frac{5}{2}})}^{2}$ as $(8 c - 4 b^{\frac{5}{2}}) (8 c - 4 b^{\frac{5}{2}})$ .

$(8 c - 4 b^{\frac{5}{2}}) (8 c - 4 b^{\frac{5}{2}})$

Step 2

Expand $(8 c - 4 b^{\frac{5}{2}}) (8 c - 4 b^{\frac{5}{2}})$ using the FOIL Method.

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Step 2.1

Apply the distributive property.

$8 c (8 c - 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c - 4 b^{\frac{5}{2}})$

Step 2.2

Apply the distributive property.

$8 c (8 c) + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c - 4 b^{\frac{5}{2}})$

Step 2.3

Apply the distributive property.

$8 c (8 c) + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3

Simplify and combine like terms.

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Step 3.1

Simplify each term.

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Step 3.1.1

Rewrite using the commutative property of multiplication.

$8 \cdot 8 c \cdot c + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.2

Multiply $c$ by $c$ by adding the exponents.

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Step 3.1.2.1

Move $c$ .

$8 \cdot 8 (c \cdot c) + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.2.2

Multiply $c$ by $c$ .

$8 \cdot 8 c^{2} + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.3

Multiply $8$ by $8$ .

$64 c^{2} + 8 c (- 4 b^{\frac{5}{2}}) - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.4

Rewrite using the commutative property of multiplication.

$64 c^{2} + 8 \cdot - 4 c b^{\frac{5}{2}} - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.5

Multiply $8$ by $- 4$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 4 b^{\frac{5}{2}} (8 c) - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.6

Rewrite using the commutative property of multiplication.

$64 c^{2} - 32 c b^{\frac{5}{2}} - 4 \cdot 8 b^{\frac{5}{2}} c - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.7

Multiply $- 4$ by $8$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 b^{\frac{5}{2}} (- 4 b^{\frac{5}{2}})$

Step 3.1.8

Rewrite using the commutative property of multiplication.

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 b^{\frac{5}{2}} b^{\frac{5}{2}}$

Step 3.1.9

Multiply $b^{\frac{5}{2}}$ by $b^{\frac{5}{2}}$ by adding the exponents.

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Step 3.1.9.1

Move $b^{\frac{5}{2}}$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 (b^{\frac{5}{2}} b^{\frac{5}{2}})$

Step 3.1.9.2

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

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 b^{\frac{5}{2} + \frac{5}{2}}$

Step 3.1.9.3

Combine the numerators over the common denominator.

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 b^{\frac{5 + 5}{2}}$

Step 3.1.9.4

Add $5$ and $5$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 b^{\frac{10}{2}}$

Step 3.1.9.5

Divide $10$ by $2$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c - 4 \cdot - 4 b^{5}$

Step 3.1.10

Multiply $- 4$ by $- 4$ .

$64 c^{2} - 32 c b^{\frac{5}{2}} - 32 b^{\frac{5}{2}} c + 16 b^{5}$

Step 3.2

Subtract $32 b^{\frac{5}{2}} c$ from $- 32 c b^{\frac{5}{2}}$ .

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Step 3.2.1

Move $c$ .

$64 c^{2} - 32 b^{\frac{5}{2}} c - 32 b^{\frac{5}{2}} c + 16 b^{5}$

Step 3.2.2

Subtract $32 b^{\frac{5}{2}} c$ from $- 32 b^{\frac{5}{2}} c$ .

$64 c^{2} - 64 b^{\frac{5}{2}} c + 16 b^{5}$

Step 4

Reorder factors in $64 c^{2} - 64 b^{\frac{5}{2}} c + 16 b^{5}$ .

$64 c^{2} - 64 c b^{\frac{5}{2}} + 16 b^{5}$

Step 5

Move $c$ .

$64 c^{2} - 64 b^{\frac{5}{2}} c + 16 b^{5}$

Step 6

Move $- 64 b^{\frac{5}{2}} c$ .

$64 c^{2} + 16 b^{5} - 64 b^{\frac{5}{2}} c$

Step 7

Reorder $64 c^{2}$ and $16 b^{5}$ .

$16 b^{5} + 64 c^{2} - 64 b^{\frac{5}{2}} c$