Pre-Algebra Examples

$(5 x^{3} - 9 x^{2} + 4) + (- 11 x^{4} - 7 x^{3} - 6 x)$

Step 1

Remove parentheses.

$5 x^{3} - 9 x^{2} + 4 - 11 x^{4} - 7 x^{3} - 6 x$

Step 2

Subtract $7 x^{3}$ from $5 x^{3}$ .

$- 2 x^{3} - 9 x^{2} + 4 - 11 x^{4} - 6 x$