Simplify 2+(2+6)x^2+2x+3x^2+7

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

Step 1

Simplify by adding numbers.

Add $2$ and $6$ .

$2 + 8 x^{2} + 2 x + 3 x^{2} + 7$

Add $2$ and $7$ .

$8 x^{2} + 2 x + 3 x^{2} + 9$

Step 2

Add $8 x^{2}$ and $3 x^{2}$ .

$11 x^{2} + 2 x + 9$