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Which polynomial represents the sum below? (4x^2+6) + (2x^2+6x+3)

A. 6x^2+ 6x+18

B. 8x^2 + 6x+18

C. 8x^2 + 6x+9

D. 6x^2 + 6x+9

2 Answers

1 vote
D. Add like terms.
So 4x^2+2x^2=6x^2
6x is only x term
6+3=9

So D. 6x^2+6x+9
User Sandeshdaundkar
by
7.8k points
2 votes

Answer:

Option D -
(4x^2+6)+(2x^2+6x+3)=6x^2+6x+9

Explanation:

Given : Polynomial
(4x^2+6) + (2x^2+6x+3)

To find : Which polynomial represents the sum below?

Solution :

Step 1 - Write the polynomial


(4x^2+6)+(2x^2+6x+3)

Step 2 - Open the parenthesis,


=4x^2+6+2x^2+6x+3

Step 3 - Add like terms,


=6x^2+6x+9

Therefore, Option D is correct.


(4x^2+6)+(2x^2+6x+3)=6x^2+6x+9

User Evan Salter
by
8.3k points

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