SOLUTION: Please help me solve this equation and explain how you did it: 9x^2 + 6x +1 =64

SOLUTION: Please help me solve this equation and explain how you did it: 9x^2 + 6x +1 =64

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Question 197623: Please help me solve this equation and explain how you did it: 9x^2 + 6x +1 =64
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
9x^2 + 6x +1 =64
9x^2 + 6x - 63 = 0
3x^2 + 2x - 21 = 0
(x + 3)*(3x - 7) = 0
x = -3
x = 7/3

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