Question

Match each pair of polynomials to their sum.

Tiles
12x2 + 3x + 6 and -7x2 – 4x – 2
-2x – 2
2x2 – x and -x – 2x2 – 2
2x2
x3 + x2 + 2 and x2 – 2 – x3
2x2 + 9x – 2
x2 + x and x2 + 8x – 2
5x2 – x + 4

Answer 1

In the photo

Explanation:

Answer 2

Answers:

(12x^2 + 3x + 6) + (-7x^2 – 4x – 2) = 5x^2 - x + 4

(2x2 – x) + (-x – 2x2 – 2) = -2x - 2

(x3 + x2 + 2) + (x2 – 2 – x3) = 2x^2

(x2 + x) + (x2 + 8x – 2) = 2x^2 + 9x - 2