xavier1283 xavier1283

14-03-2019
Mathematics

contestada

What is the sum of the polynomials

( Image added)

A. 10x^2 - 9

B. 11x^2 - x -9

C. 11x^2 + x - 1

D. 12x^2 - 1

What is the sum of the polynomials Image added A 10x2 9 B 11x2 x 9 C 11x2 x 1 D 12x2 1 class=

Respuesta :

MrsStrong MrsStrong

15-03-2019

Answer:

C

Step-by-step explanation:

To add the polynomials you can only add like terms. Like terms are terms that have the same variables and exponents. Only -5 and 4 are like terms. So leave the other terms alone.

The sum is 11x^2 + x - 1.

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