Question

Simplify the expression. (5x2 - x - 7) + (2x2 + 3x + 4)

Answer 1

Answer:

$7x^2-2x-3$

Step-by-step explanation:

First get rid of the parenthesis

$5x^2-x-7+2x^2+3x+4$

Next simplify the variables

$7x^2-x-7+3x+4$

$7x^2-2x-7+4$

$7x^2-2x-3$