Finite Math Examples

$- 3 x^{5} + 6 x^{4} - 8 x^{3} - 8 + (7 x^{5} - 4 x^{4} - 2 x^{3} - 9)$

Step 1

Remove parentheses.

$- 3 x^{5} + 6 x^{4} - 8 x^{3} - 8 + 7 x^{5} - 4 x^{4} - 2 x^{3} - 9$

Step 2

Add $- 3 x^{5}$ and $7 x^{5}$ .

$4 x^{5} + 6 x^{4} - 8 x^{3} - 8 - 4 x^{4} - 2 x^{3} - 9$

Step 3

Subtract $4 x^{4}$ from $6 x^{4}$ .

$4 x^{5} + 2 x^{4} - 8 x^{3} - 8 - 2 x^{3} - 9$

Step 4

Subtract $2 x^{3}$ from $- 8 x^{3}$ .

$4 x^{5} + 2 x^{4} - 10 x^{3} - 8 - 9$

Step 5

Subtract $9$ from $- 8$ .

$4 x^{5} + 2 x^{4} - 10 x^{3} - 17$