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

Question

Mathematics

Irwin

28 September, 06:39

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

+2

Answers (2)

Know the Answer?

Bebe · Answer 1

That I'd right that's what I got

Mollie · Answer 2

10x^2 + 2x - 9

Step-by-step 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