SOLUTION: Hello, I soloved this quadratic equation and came up with a negative answer which I think is right. Would you please check it. 16x^2-40x=-25 16x^2-40x+25=0 -40+-sqrt(40)^2-4(

Question 411667: Hello, I soloved this quadratic equation and came up with a negative answer which I think is right. Would you please check it.
16x^2-40x=-25
16x^2-40x+25=0
-40+-sqrt(40)^2-4(16)(25)/(2(16))
-40+-sqrt(1600-1600)/(32)
-40+-sqrt(0)/(32)
x = -(4)/(5)

Found 2 solutions by emargo19, sudhanshu_kmr:
Answer by emargo19(101) (Show Source): You can put this solution on YOUR website!

Using the Quadratic Equation=

or
or
or

Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

formula is -b +- sqrt(b^2 -4ac)/2a
so, 40/32 not -40/32
40/32
= 5/4
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