Finite Math Examples

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

Step 1

Remove parentheses.

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

Step 2

Subtract $2 x^{3}$ from $6 x^{3}$ .

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

Step 3

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

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

Step 4

Move $- 5$ .

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