Pre-Algebra Examples

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

Step 1

Remove parentheses.

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

Step 2

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

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

Step 3

Subtract $7$ from $4$ .

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