(-8y^2+14y-25)=0

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Solution for (-8y^2+14y-25)=0 equation:


Simplifying
(-8y2 + 14y + -25) = 0

Reorder the terms:
(-25 + 14y + -8y2) = 0

Remove parenthesis around (-25 + 14y + -8y2)
-25 + 14y + -8y2 = 0

Solving
-25 + 14y + -8y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
3.125 + -1.75y + y2 = 0

Move the constant term to the right:

Add '-3.125' to each side of the equation.
3.125 + -1.75y + -3.125 + y2 = 0 + -3.125

Reorder the terms:
3.125 + -3.125 + -1.75y + y2 = 0 + -3.125

Combine like terms: 3.125 + -3.125 = 0.000
0.000 + -1.75y + y2 = 0 + -3.125
-1.75y + y2 = 0 + -3.125

Combine like terms: 0 + -3.125 = -3.125
-1.75y + y2 = -3.125

The y term is -1.75y.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75y + 0.765625 + y2 = -3.125 + 0.765625

Reorder the terms:
0.765625 + -1.75y + y2 = -3.125 + 0.765625

Combine like terms: -3.125 + 0.765625 = -2.359375
0.765625 + -1.75y + y2 = -2.359375

Factor a perfect square on the left side:
(y + -0.875)(y + -0.875) = -2.359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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