SOLUTION: What is the approximate values of x that are solutions to f(x) = 0, where f(x) = -3x^2 + 9x + 7

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Question 885893: What is the approximate values of x that are solutions to f(x) = 0, where
f(x) = -3x^2 + 9x + 7

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
You have asked the same general question using three separate example functions, each in its own posting. You would really benefit from the lesson in this link:
Completing the Square to Solve General Quadratic Equation