Question

Combine like terms for
(3x²+2x²-5x+7)+(4x²+2x-3)

Answer 1

26x + 4

Explanation:

((3x3)x + (2x2)x - 5x + 7) + ((4x4)x + 2x - 3

9x + 4x - 5x + 7 + 18x - 3

13x + 18x - 5x + 7 - 3

31x - 5x + 4

26x + 4

Answer 2

9x^2-3x+4

Explanation:

(3x^2+2x^2-5x+7)+(4x^2+2x-3)

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

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

9x^2-3x+7-3

9x^2-3x+4