Precalculus Examples

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

Step 1

Expand $(x^{\frac{1}{3}} + y^{\frac{1}{2}}) (2 x^{\frac{1}{3}} - y^{\frac{3}{2}})$ using the FOIL Method.

Tap for more steps...

Step 1.1

Apply the distributive property.

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

Step 1.2

Apply the distributive property.

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

Step 1.3

Apply the distributive property.

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

Step 2

Simplify terms.

Tap for more steps...

Step 2.1

Simplify each term.

Tap for more steps...

Step 2.1.1

Rewrite using the commutative property of multiplication.

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

Step 2.1.2

Multiply $x^{\frac{1}{3}}$ by $x^{\frac{1}{3}}$ by adding the exponents.

Tap for more steps...

Step 2.1.2.1

Move $x^{\frac{1}{3}}$ .

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

Step 2.1.2.2

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

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

Step 2.1.2.3

Combine the numerators over the common denominator.

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

Step 2.1.2.4

Add $1$ and $1$ .

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

Step 2.1.3

Rewrite using the commutative property of multiplication.

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

Step 2.1.4

Rewrite using the commutative property of multiplication.

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

Step 2.1.5

Rewrite using the commutative property of multiplication.

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 y^{\frac{1}{2}} x^{\frac{1}{3}} - y^{\frac{1}{2}} y^{\frac{3}{2}}$

Step 2.1.6

Multiply $y^{\frac{1}{2}}$ by $y^{\frac{3}{2}}$ by adding the exponents.

Tap for more steps...

Step 2.1.6.1

Move $y^{\frac{3}{2}}$ .

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

Step 2.1.6.2

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

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 y^{\frac{1}{2}} x^{\frac{1}{3}} - y^{\frac{3}{2} + \frac{1}{2}}$

Step 2.1.6.3

Combine the numerators over the common denominator.

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 y^{\frac{1}{2}} x^{\frac{1}{3}} - y^{\frac{3 + 1}{2}}$

Step 2.1.6.4

Add $3$ and $1$ .

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 y^{\frac{1}{2}} x^{\frac{1}{3}} - y^{\frac{4}{2}}$

Step 2.1.6.5

Divide $4$ by $2$ .

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 y^{\frac{1}{2}} x^{\frac{1}{3}} - y^{2}$

Step 2.2

Simplify the expression.

Tap for more steps...

Step 2.2.1

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

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 x^{\frac{1}{3}} y^{\frac{1}{2}} - y^{2}$

Step 2.2.2

Move $2 x^{\frac{1}{3}} y^{\frac{1}{2}}$ .

$2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} - y^{2} + 2 x^{\frac{1}{3}} y^{\frac{1}{2}}$

Step 2.2.3

Move $- x^{\frac{1}{3}} y^{\frac{3}{2}}$ .

$2 x^{\frac{2}{3}} - y^{2} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 x^{\frac{1}{3}} y^{\frac{1}{2}}$

Step 2.2.4

Reorder $2 x^{\frac{2}{3}}$ and $- y^{2}$ .

$- y^{2} + 2 x^{\frac{2}{3}} - x^{\frac{1}{3}} y^{\frac{3}{2}} + 2 x^{\frac{1}{3}} y^{\frac{1}{2}}$