Pre-Algebra Examples

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

Step 1

Remove parentheses.

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

Step 2

Subtract $2 x^{3}$ from $4 x^{3}$ .

$2 x^{3} - 5 x^{2} + 3 x - x^{2} + 6 x$

Step 3

Subtract $x^{2}$ from $- 5 x^{2}$ .

$2 x^{3} - 6 x^{2} + 3 x + 6 x$

Step 4

Add $3 x$ and $6 x$ .

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