Pre-Algebra Examples

$(4 x^{5} - 3 x^{4} - 7 x^{3} + 7 x^{2}) + (5 x^{4} + x^{3} - 2 x + 1)$

Step 1

Remove parentheses.

$4 x^{5} - 3 x^{4} - 7 x^{3} + 7 x^{2} + 5 x^{4} + x^{3} - 2 x + 1$

Step 2

Add $- 3 x^{4}$ and $5 x^{4}$ .

$4 x^{5} + 2 x^{4} - 7 x^{3} + 7 x^{2} + x^{3} - 2 x + 1$

Step 3

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

$4 x^{5} + 2 x^{4} - 6 x^{3} + 7 x^{2} - 2 x + 1$