rebeccaisthefamous1 rebeccaisthefamous1

08-08-2019
Mathematics

contestada

Which polynomial represents the sum below?

Which polynomial represents the sum below class=

Respuesta :

Gasaqui Gasaqui

13-08-2019

Answer:

option B

Step-by-step explanation:

We have:

3x^2+7x+3 and 5x^2+12x

where

a=3x^2+7x+3

b=5x^2+12x

a+b=3x^2+7x+3 +5x^2+12x

we sum each term:

3x^2+5x^2=8x^2

7x+12x=19x

3+0=3

so we have: a+b= 8x^2+19x+3

finally we have

8x^2+19x+3= option B

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