Basic Math Examples

$12 a b - 13 a^{2} b + 13 a b^{2} - 13 a b^{2} + 18 a b^{2} - 16 a^{2}$

Step 1

Combine the opposite terms in $12 a b - 13 a^{2} b + 13 a b^{2} - 13 a b^{2} + 18 a b^{2} - 16 a^{2}$ .

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Step 1.1

Subtract $13 a b^{2}$ from $13 a b^{2}$ .

$12 a b - 13 a^{2} b + 0 + 18 a b^{2} - 16 a^{2}$

Step 1.2

Add $12 a b - 13 a^{2} b$ and $0$ .

$12 a b - 13 a^{2} b + 18 a b^{2} - 16 a^{2}$

Step 2

Move $12 a b$ .

$- 13 a^{2} b + 18 a b^{2} - 16 a^{2} + 12 a b$