SOLUTION: -2xsquared+94x-435=125 i know x=7 need to know steps to solve it

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Question 724236: -2xsquared+94x-435=125 i know x=7 need to know steps to solve it
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-2x^2 + 94x - 435 = 125
-2x^2 + 94x - 560 = 0
x^2 - 47x + 280 = 0
(x - 7)*(x - 40) = 0
x = 7, x = 40