Pre-Algebra Examples

$(- 3 x + 5 x^{4} - 7) + (7 x^{4} - 5 - 7 x)$

Step 1

Remove parentheses.

$- 3 x + 5 x^{4} - 7 + 7 x^{4} - 5 - 7 x$

Step 2

Subtract $7 x$ from $- 3 x$ .

$- 10 x + 5 x^{4} - 7 + 7 x^{4} - 5$

Step 3

Add $5 x^{4}$ and $7 x^{4}$ .

$- 10 x + 12 x^{4} - 7 - 5$

Step 4

Subtract $5$ from $- 7$ .

$- 10 x + 12 x^{4} - 12$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$