Question

Add ( 7x^2-5x+3)+(2x^2+7x-8)

Answer 1

A.9
`x^(2)`+2x-5

Answer 2

`9{x}^(2) + 2x - 5`

Option A is the correct option.

Solution,

`7 {x}^(2) - 5x + 3 + 2 {x}^(2) + 7x - 8 \\`

Combine like terms:

`7 {x}^(2) + 2 {x}^(2) - 5x + 7x + 3 - 8`

Simplify:

`9 {x}^(2) + 2x - 5`

Hope this helps..

Good luck on your assignment..