Basic Math Examples

${(3 a - 2 y - 2 a y)}^{2}$

Step 1

Rewrite ${(3 a - 2 y - 2 a y)}^{2}$ as $(3 a - 2 y - 2 a y) (3 a - 2 y - 2 a y)$ .

$(3 a - 2 y - 2 a y) (3 a - 2 y - 2 a y)$

Step 2

Expand $(3 a - 2 y - 2 a y) (3 a - 2 y - 2 a y)$ by multiplying each term in the first expression by each term in the second expression.

$3 a (3 a) + 3 a (- 2 y) + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3

Simplify each term.

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Step 3.1

Rewrite using the commutative property of multiplication.

$3 \cdot 3 a \cdot a + 3 a (- 2 y) + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.2

Multiply $a$ by $a$ by adding the exponents.

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Step 3.2.1

Move $a$ .

$3 \cdot 3 (a \cdot a) + 3 a (- 2 y) + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.2.2

Multiply $a$ by $a$ .

$3 \cdot 3 a^{2} + 3 a (- 2 y) + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.3

Multiply $3$ by $3$ .

$9 a^{2} + 3 a (- 2 y) + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.4

Rewrite using the commutative property of multiplication.

$9 a^{2} + 3 \cdot - 2 a y + 3 a (- 2 a y) - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.5

Multiply $3$ by $- 2$ .

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

Step 3.6

Multiply $a$ by $a$ by adding the exponents.

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Step 3.6.1

Move $a$ .

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

Step 3.6.2

Multiply $a$ by $a$ .

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

Step 3.7

Rewrite using the commutative property of multiplication.

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

Step 3.8

Multiply $3$ by $- 2$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 2 y (3 a) - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.9

Rewrite using the commutative property of multiplication.

$9 a^{2} - 6 a y - 6 a^{2} y - 2 \cdot 3 y a - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.10

Multiply $- 2$ by $3$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a - 2 y (- 2 y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.11

Rewrite using the commutative property of multiplication.

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a - 2 \cdot - 2 y \cdot y - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.12

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

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Step 3.12.1

Move $y$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a - 2 \cdot - 2 (y \cdot y) - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.12.2

Multiply $y$ by $y$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a - 2 \cdot - 2 y^{2} - 2 y (- 2 a y) - 2 a y (3 a) - 2 a y (- 2 y) - 2 a y (- 2 a y)$

Step 3.13

Multiply $- 2$ by $- 2$ .

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

Step 3.14

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

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Step 3.14.1

Move $y$ .

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

Step 3.14.2

Multiply $y$ by $y$ .

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

Step 3.15

Rewrite using the commutative property of multiplication.

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

Step 3.16

Multiply $- 2$ by $- 2$ .

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

Step 3.17

Multiply $a$ by $a$ by adding the exponents.

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Step 3.17.1

Move $a$ .

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

Step 3.17.2

Multiply $a$ by $a$ .

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

Step 3.18

Multiply $3$ by $- 2$ .

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

Step 3.19

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

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Step 3.19.1

Move $y$ .

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

Step 3.19.2

Multiply $y$ by $y$ .

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

Step 3.20

Multiply $- 2$ by $- 2$ .

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

Step 3.21

Multiply $a$ by $a$ by adding the exponents.

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Step 3.21.1

Move $a$ .

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

Step 3.21.2

Multiply $a$ by $a$ .

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

Step 3.22

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

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Step 3.22.1

Move $y$ .

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

Step 3.22.2

Multiply $y$ by $y$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a + 4 y^{2} + 4 y^{2} a - 6 a^{2} y + 4 a y^{2} - 2 a^{2} y^{2} \cdot - 2$

Step 3.23

Multiply $- 2$ by $- 2$ .

$9 a^{2} - 6 a y - 6 a^{2} y - 6 y a + 4 y^{2} + 4 y^{2} a - 6 a^{2} y + 4 a y^{2} + 4 a^{2} y^{2}$

Step 4

Subtract $6 y a$ from $- 6 a y$ .

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Step 4.1

Move $y$ .

$9 a^{2} - 6 a y - 6 a y - 6 a^{2} y + 4 y^{2} + 4 y^{2} a - 6 a^{2} y + 4 a y^{2} + 4 a^{2} y^{2}$

Step 4.2

Subtract $6 a y$ from $- 6 a y$ .

$9 a^{2} - 12 a y - 6 a^{2} y + 4 y^{2} + 4 y^{2} a - 6 a^{2} y + 4 a y^{2} + 4 a^{2} y^{2}$

Step 5

Subtract $6 a^{2} y$ from $- 6 a^{2} y$ .

$9 a^{2} - 12 a y + 4 y^{2} + 4 y^{2} a - 12 a^{2} y + 4 a y^{2} + 4 a^{2} y^{2}$

Step 6

Add $4 y^{2} a$ and $4 a y^{2}$ .

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Step 6.1

Move $y^{2}$ .

$9 a^{2} - 12 a y + 4 y^{2} + 4 a y^{2} + 4 a y^{2} - 12 a^{2} y + 4 a^{2} y^{2}$

Step 6.2

Add $4 a y^{2}$ and $4 a y^{2}$ .

$9 a^{2} - 12 a y + 4 y^{2} + 8 a y^{2} - 12 a^{2} y + 4 a^{2} y^{2}$

Step 7

Move $4 y^{2}$ .

$9 a^{2} - 12 a y + 8 a y^{2} - 12 a^{2} y + 4 a^{2} y^{2} + 4 y^{2}$

Step 8

Move $- 12 a y$ .

$9 a^{2} + 8 a y^{2} - 12 a^{2} y + 4 a^{2} y^{2} - 12 a y + 4 y^{2}$

Step 9

Move $9 a^{2}$ .

$8 a y^{2} - 12 a^{2} y + 4 a^{2} y^{2} + 9 a^{2} - 12 a y + 4 y^{2}$

Step 10

Move $8 a y^{2}$ .

$- 12 a^{2} y + 4 a^{2} y^{2} + 8 a y^{2} + 9 a^{2} - 12 a y + 4 y^{2}$

Step 11

Reorder $- 12 a^{2} y$ and $4 a^{2} y^{2}$ .

$4 a^{2} y^{2} - 12 a^{2} y + 8 a y^{2} + 9 a^{2} - 12 a y + 4 y^{2}$