Basic Math Examples

$(3 u^{\frac{1}{2}} - v^{\frac{1}{2}}) (u^{\frac{1}{2}} - 2 v^{\frac{1}{2}})$

Step 1

Expand $(3 u^{\frac{1}{2}} - v^{\frac{1}{2}}) (u^{\frac{1}{2}} - 2 v^{\frac{1}{2}})$ using the FOIL Method.

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Step 1.1

Apply the distributive property.

$3 u^{\frac{1}{2}} (u^{\frac{1}{2}} - 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} (u^{\frac{1}{2}} - 2 v^{\frac{1}{2}})$

Step 1.2

Apply the distributive property.

$3 u^{\frac{1}{2}} u^{\frac{1}{2}} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} (u^{\frac{1}{2}} - 2 v^{\frac{1}{2}})$

Step 1.3

Apply the distributive property.

$3 u^{\frac{1}{2}} u^{\frac{1}{2}} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2

Simplify and combine like terms.

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Step 2.1

Simplify each term.

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Step 2.1.1

Multiply $u^{\frac{1}{2}}$ by $u^{\frac{1}{2}}$ by adding the exponents.

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Step 2.1.1.1

Move $u^{\frac{1}{2}}$ .

$3 (u^{\frac{1}{2}} u^{\frac{1}{2}}) + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.1.2

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

$3 u^{\frac{1}{2} + \frac{1}{2}} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.1.3

Combine the numerators over the common denominator.

$3 u^{\frac{1 + 1}{2}} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.1.4

Add $1$ and $1$ .

$3 u^{\frac{2}{2}} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.1.5

Divide $2$ by $2$ .

$3 u^{1} + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.2

Simplify $3 u^{1}$ .

$3 u + 3 u^{\frac{1}{2}} (- 2 v^{\frac{1}{2}}) - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.3

Rewrite using the commutative property of multiplication.

$3 u + 3 \cdot - 2 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.4

Multiply $3$ by $- 2$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - v^{\frac{1}{2}} (- 2 v^{\frac{1}{2}})$

Step 2.1.5

Rewrite using the commutative property of multiplication.

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v^{\frac{1}{2}} v^{\frac{1}{2}}$

Step 2.1.6

Multiply $v^{\frac{1}{2}}$ by $v^{\frac{1}{2}}$ by adding the exponents.

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Step 2.1.6.1

Move $v^{\frac{1}{2}}$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 (v^{\frac{1}{2}} v^{\frac{1}{2}})$

Step 2.1.6.2

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

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v^{\frac{1}{2} + \frac{1}{2}}$

Step 2.1.6.3

Combine the numerators over the common denominator.

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v^{\frac{1 + 1}{2}}$

Step 2.1.6.4

Add $1$ and $1$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v^{\frac{2}{2}}$

Step 2.1.6.5

Divide $2$ by $2$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v^{1}$

Step 2.1.7

Simplify $- 1 \cdot - 2 v^{1}$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} - 1 \cdot - 2 v$

Step 2.1.8

Multiply $- 1$ by $- 2$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - v^{\frac{1}{2}} u^{\frac{1}{2}} + 2 v$

Step 2.2

Subtract $v^{\frac{1}{2}} u^{\frac{1}{2}}$ from $- 6 u^{\frac{1}{2}} v^{\frac{1}{2}}$ .

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Step 2.2.1

Move $v^{\frac{1}{2}}$ .

$3 u - 6 u^{\frac{1}{2}} v^{\frac{1}{2}} - 1 u^{\frac{1}{2}} v^{\frac{1}{2}} + 2 v$

Step 2.2.2

Subtract $u^{\frac{1}{2}} v^{\frac{1}{2}}$ from $- 6 u^{\frac{1}{2}} v^{\frac{1}{2}}$ .

$3 u - 7 u^{\frac{1}{2}} v^{\frac{1}{2}} + 2 v$

Step 3

Move $- 7 u^{\frac{1}{2}} v^{\frac{1}{2}}$ .

$3 u + 2 v - 7 u^{\frac{1}{2}} v^{\frac{1}{2}}$