Finite Math Examples

$5 x^{3} - 6 x^{2} + 8 x + (3 x^{3} + 3 x^{2} - 13 x)$

Step 1

Remove parentheses.

$5 x^{3} - 6 x^{2} + 8 x + 3 x^{3} + 3 x^{2} - 13 x$

Step 2

Add $5 x^{3}$ and $3 x^{3}$ .

$8 x^{3} - 6 x^{2} + 8 x + 3 x^{2} - 13 x$

Step 3

Add $- 6 x^{2}$ and $3 x^{2}$ .

$8 x^{3} - 3 x^{2} + 8 x - 13 x$

Step 4

Subtract $13 x$ from $8 x$ .

$8 x^{3} - 3 x^{2} - 5 x$