Basic Math Examples

$(2 c + 3 y) (4 c^{2} - 6 c y + 9 y^{2})$

Step 1

Expand $(2 c + 3 y) (4 c^{2} - 6 c y + 9 y^{2})$ by multiplying each term in the first expression by each term in the second expression.

$2 c (4 c^{2}) + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2

Simplify terms.

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Step 2.1

Simplify each term.

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Step 2.1.1

Rewrite using the commutative property of multiplication.

$2 \cdot 4 c \cdot c^{2} + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.2

Multiply $c$ by $c^{2}$ by adding the exponents.

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Step 2.1.2.1

Move $c^{2}$ .

$2 \cdot 4 (c^{2} c) + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.2.2

Multiply $c^{2}$ by $c$ .

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Step 2.1.2.2.1

Raise $c$ to the power of $1$ .

$2 \cdot 4 (c^{2} c^{1}) + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.2.2.2

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

$2 \cdot 4 c^{2 + 1} + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.2.3

Add $2$ and $1$ .

$2 \cdot 4 c^{3} + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.3

Multiply $2$ by $4$ .

$8 c^{3} + 2 c (- 6 c y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.4

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

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Step 2.1.4.1

Move $c$ .

$8 c^{3} + 2 (c \cdot c) (- 6 y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.4.2

Multiply $c$ by $c$ .

$8 c^{3} + 2 c^{2} (- 6 y) + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.5

Rewrite using the commutative property of multiplication.

$8 c^{3} + 2 \cdot - 6 c^{2} y + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.6

Multiply $2$ by $- 6$ .

$8 c^{3} - 12 c^{2} y + 2 c (9 y^{2}) + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.7

Rewrite using the commutative property of multiplication.

$8 c^{3} - 12 c^{2} y + 2 \cdot 9 c y^{2} + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.8

Multiply $2$ by $9$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 3 y (4 c^{2}) + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.9

Rewrite using the commutative property of multiplication.

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 3 \cdot 4 y c^{2} + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.10

Multiply $3$ by $4$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} + 3 y (- 6 c y) + 3 y (9 y^{2})$

Step 2.1.11

Multiply $y$ by $y$ by adding the exponents.

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Step 2.1.11.1

Move $y$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} + 3 (y \cdot y) (- 6 c) + 3 y (9 y^{2})$

Step 2.1.11.2

Multiply $y$ by $y$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} + 3 y^{2} (- 6 c) + 3 y (9 y^{2})$

Step 2.1.12

Rewrite using the commutative property of multiplication.

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} + 3 \cdot - 6 y^{2} c + 3 y (9 y^{2})$

Step 2.1.13

Multiply $3$ by $- 6$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 y (9 y^{2})$

Step 2.1.14

Rewrite using the commutative property of multiplication.

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 \cdot 9 y \cdot y^{2}$

Step 2.1.15

Multiply $y$ by $y^{2}$ by adding the exponents.

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Step 2.1.15.1

Move $y^{2}$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 \cdot 9 (y^{2} y)$

Step 2.1.15.2

Multiply $y^{2}$ by $y$ .

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Step 2.1.15.2.1

Raise $y$ to the power of $1$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 \cdot 9 (y^{2} y^{1})$

Step 2.1.15.2.2

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

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 \cdot 9 y^{2 + 1}$

Step 2.1.15.3

Add $2$ and $1$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 3 \cdot 9 y^{3}$

Step 2.1.16

Multiply $3$ by $9$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 27 y^{3}$

Step 2.2

Combine the opposite terms in $8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 y c^{2} - 18 y^{2} c + 27 y^{3}$ .

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Step 2.2.1

Reorder the factors in the terms $- 12 c^{2} y$ and $12 y c^{2}$ .

$8 c^{3} - 12 c^{2} y + 18 c y^{2} + 12 c^{2} y - 18 y^{2} c + 27 y^{3}$

Step 2.2.2

Add $- 12 c^{2} y$ and $12 c^{2} y$ .

$8 c^{3} + 18 c y^{2} + 0 - 18 y^{2} c + 27 y^{3}$

Step 2.2.3

Add $8 c^{3} + 18 c y^{2}$ and $0$ .

$8 c^{3} + 18 c y^{2} - 18 y^{2} c + 27 y^{3}$

Step 2.2.4

Reorder the factors in the terms $18 c y^{2}$ and $- 18 y^{2} c$ .

$8 c^{3} + 18 y^{2} c - 18 y^{2} c + 27 y^{3}$

Step 2.2.5

Subtract $18 y^{2} c$ from $18 y^{2} c$ .

$8 c^{3} + 0 + 27 y^{3}$

Step 2.2.6

Add $8 c^{3}$ and $0$ .

$8 c^{3} + 27 y^{3}$