Find the sum of the given polynomials. 3x ^2 + 2x - 5 and -4 + 7x ^2

Question

asked Jun 1, 2021 178k views

2 Answers

Halloleo · Answer 1 · 2021-06-07T13:16:39+0000

Answer:

10x^2 +2x -9

Explanation:

Group things that are alike and simplify

(3x^2+7x^2) = 10x^2

(2x) nothing to add or subtract with it so it stays positive 2x= +2x

(-5-4) = -9

Then put the answer from highest degree to lowest