SOLUTION: One last question I am stuck on. Please help: x(9x+7)=4x^2 -4x+36
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Question 870034
:
One last question I am stuck on. Please help:
x(9x+7)=4x^2 -4x+36
Found 2 solutions by
Alan3354, ewatrrr
:
Answer by
Alan3354(69443)
(
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You can
put this solution on YOUR website!
x(9x+7)=4x^2 -4x+36
9x^2+7x = 4x^2 -4x+36
5x^2 + 11x - 36 = 0
Can you do the rest?
Answer by
ewatrrr(24785)
(
Show Source
):
You can
put this solution on YOUR website!
x(9x+7)=4x^2 -4x+36
9x^2 + 7x = 4x^2 -4x+36
5x^2 + 11x - 36 = 0
(5x - 9)(x +4) = 0, x = -4, 9/5