Question

How do you simplify `(8x^{2}+5x-2)+(12x^{2}-2x+7)`?

Answer 1

`20x^2+3x+5`

Explanation:

`(8x^2+5x-2)+(12x^2-2x+7)`

`8x^2+5x-2+12x^2-2x+7=20x^2+3x+5`