Pre-Algebra Examples

$(- x^{4} + 13 x^{5} + 6 x^{3}) + (6 x^{3} + 5 x^{5} + 7 x^{4})$

Step 1

Remove parentheses.

$- x^{4} + 13 x^{5} + 6 x^{3} + 6 x^{3} + 5 x^{5} + 7 x^{4}$

Step 2

Add $- x^{4}$ and $7 x^{4}$ .

$6 x^{4} + 13 x^{5} + 6 x^{3} + 6 x^{3} + 5 x^{5}$

Step 3

Add $13 x^{5}$ and $5 x^{5}$ .

$6 x^{4} + 18 x^{5} + 6 x^{3} + 6 x^{3}$

Step 4

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

$6 x^{4} + 18 x^{5} + 12 x^{3}$