If 9(x−12)=3x2
Find...
If 9(x−12)=3x2
Find x
12
1
2
3
Correct answer is B
9(x - 12) 3x2 = 32(x - 12) = 3x2
∴ 2(x - 12) = x2
2x - 1 = x2
hence x2 - 2x + 1 = 0
(x - 1)(x - 1) = 0
x = 1
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