Solve for x. 12x = 2x^2 + 18 A. x = –3 B. x = 3 C. x = –3 or x = 0 D. x = 0 or x = 3

asked May 5, 2018 144k views

2 votes

Solve for x. 12x = 2x^2 + 18

A. x = –3
B. x = 3
C. x = –3 or x = 0
D. x = 0 or x = 3

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4 votes

2x^2-12x+18=0

Factor out GCF
2(x^2-6x+9)

Factor trinomial
(x-3)(x-3)

Proof
-3-3=-6
-3^2=9

Zeros
x-3=0
x=3

Final answer: B

7.8k points

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