Pre-Algebra Examples

$(11 x^{4} + 3 x^{2} - x + 9) + (6 x^{4} + 4 x^{2} - x + 1)$

Step 1

Remove parentheses.

$11 x^{4} + 3 x^{2} - x + 9 + 6 x^{4} + 4 x^{2} - x + 1$

Step 2

Add $11 x^{4}$ and $6 x^{4}$ .

$17 x^{4} + 3 x^{2} - x + 9 + 4 x^{2} - x + 1$

Step 3

Add $3 x^{2}$ and $4 x^{2}$ .

$17 x^{4} + 7 x^{2} - x + 9 - x + 1$

Step 4

Subtract $x$ from $- x$ .

$17 x^{4} + 7 x^{2} - 2 x + 9 + 1$

Step 5

Add $9$ and $1$ .

$17 x^{4} + 7 x^{2} - 2 x + 10$