Algebra Examples

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

Step 1

Remove parentheses.

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

Step 2

Add $4 x^{3}$ and $8 x^{3}$ .

$12 x^{3} - 7 x^{2} - 8 - 5 x^{2} - 3$

Step 3

Subtract $5 x^{2}$ from $- 7 x^{2}$ .

$12 x^{3} - 12 x^{2} - 8 - 3$

Step 4

Subtract $3$ from $- 8$ .

$12 x^{3} - 12 x^{2} - 11$