Question

Simplify the expression: (2x2 + 3x - 7) + (5x2 - x +9)

Answer 1

Answer:

$7x^2 + 2x + 2$

Step-by-step explanation:

Step 1:  Combine

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

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

$7x^2 + 2x + 2$

Answer:  $7x^2 + 2x + 2$

Answer 2

7x^2+2x+2 is the best answer