Algebra Examples

$(5 x^{2} - 3 x + 7 x) + (9 x^{2} + 2 x^{2} + 7 x)$

Step 1

Remove parentheses.

$5 x^{2} - 3 x + 7 x + 9 x^{2} + 2 x^{2} + 7 x$

Step 2

Add $5 x^{2}$ and $9 x^{2}$ .

$14 x^{2} - 3 x + 7 x + 2 x^{2} + 7 x$

Step 3

Add $14 x^{2}$ and $2 x^{2}$ .

$16 x^{2} - 3 x + 7 x + 7 x$

Step 4

Add $- 3 x$ and $7 x$ .

$16 x^{2} + 4 x + 7 x$

Step 5

Add $4 x$ and $7 x$ .

$16 x^{2} + 11 x$