SOLUTION: x^2=4-8x

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Question 167004: x^2=4-8x
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2=4-8x
x^2+8x-4=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(-8+-sqrt[8^2-4*1*-4])/2*1
x=(-8+-sqrt[64+16])/2
x=(-8+-sqrt80)/2
x=(-8+-8.94427)/2
x=(-8+8.94427)/2
x=.94427/2
x=.472 answer.
x=(-8-8.94427)/2
x=-16.94427/2
x=--8.472 answer.