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39 votes
Which of the following represents the factorization of the trinomial below?x²+6x+9With these four of possible awnsers A. (x-2)(x-3)B. (x-3)²C. (x+3)²D. (x+2)(x-3)

User Jorisw
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1 Answer

12 votes
12 votes

C. (x+3)^2

Step-by-step explanation:

x²+6x+9 = 0

a = 1

b= 6

c = 9

Rewrite 6x as 3x + 3x

x^2 + 3x + 3x + 9

Factor out

x (x+3) + 3 (x+3)

Rewrite

(x+3) (x+3)

Combine

(x+3)^2

User Grimdrem
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