SOLUTION: 2x(-5x-4)=4(-x+1)

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Question 171050: 2x(-5x-4)=4(-x+1)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x(-5x-4)=4(-x+1)
-10x^2-8x=-4x+4
-10x^2-8x+4x-4=0
-20x^2-4x-4=0
20x^2+4x+4=0
4(5x^2+x+1)=0
[Equation has complex routes]x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(-1+-sqrt[1^2-4*5*1])/2*5
x=(-1+-sqrt[1-20])/10
x=(-1+-sqrt-19)/10
x=-1/10+-4.359i/10
x=-.1+-/.4359i ans.