Question

Add the following :-

7x² - 4x + 7, -11x² - x - 5, -7x² + 7x + 3​

Answer 1

Answer:

(7x²-4x+7)+(-11x²-x-5)+(-7x²+7x+3)

7x²-4x+7-11x²-x-5-7x²+7x+3

7x²-11x²-7x²-4x-x+7x+7-5+3

7x²-18x²-5x+7x+10-5

-11x²+2x+5

Answer 2

Answer was -11x2+2x+5.

step by step explanations.