Pre-Algebra Examples

$- 7 x^{3} + 5 a x - 3 + (7 x^{3} + 5 - 9 a x)$

Step 1

Remove parentheses.

$- 7 x^{3} + 5 a x - 3 + 7 x^{3} + 5 - 9 a x$

Step 2

Combine the opposite terms in $- 7 x^{3} + 5 a x - 3 + 7 x^{3} + 5 - 9 a x$ .

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Step 2.1

Add $- 7 x^{3}$ and $7 x^{3}$ .

$5 a x - 3 + 0 + 5 - 9 a x$

Step 2.2

Add $5 a x - 3$ and $0$ .

$5 a x - 3 + 5 - 9 a x$

Step 3

Subtract $9 a x$ from $5 a x$ .

$- 4 a x - 3 + 5$

Step 4

Add $- 3$ and $5$ .

$- 4 a x + 2$