Pre-Algebra Examples

$(- 9 v^{2} - 8 u) + (- 2 u v - 2 u^{2} + v^{2}) + (- v^{2} + 4 u v)$

Step 1

Remove parentheses.

$- 9 v^{2} - 8 u - 2 u v - 2 u^{2} + v^{2} - v^{2} + 4 u v$

Step 2

Combine the opposite terms in $- 9 v^{2} - 8 u - 2 u v - 2 u^{2} + v^{2} - v^{2} + 4 u v$ .

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Step 2.1

Subtract $v^{2}$ from $v^{2}$ .

$- 9 v^{2} - 8 u - 2 u v - 2 u^{2} + 0 + 4 u v$

Step 2.2

Add $- 9 v^{2} - 8 u - 2 u v - 2 u^{2}$ and $0$ .

$- 9 v^{2} - 8 u - 2 u v - 2 u^{2} + 4 u v$

Step 3

Add $- 2 u v$ and $4 u v$ .

$- 9 v^{2} - 8 u - 2 u^{2} + 2 u v$