-9-y^2-60+8y-7=0

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Solution for -9-y^2-60+8y-7=0 equation:


Simplifying
-9 + -1y2 + -60 + 8y + -7 = 0

Reorder the terms:
-9 + -60 + -7 + 8y + -1y2 = 0

Combine like terms: -9 + -60 = -69
-69 + -7 + 8y + -1y2 = 0

Combine like terms: -69 + -7 = -76
-76 + 8y + -1y2 = 0

Solving
-76 + 8y + -1y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
76 + -8y + y2 = 0

Move the constant term to the right:

Add '-76' to each side of the equation.
76 + -8y + -76 + y2 = 0 + -76

Reorder the terms:
76 + -76 + -8y + y2 = 0 + -76

Combine like terms: 76 + -76 = 0
0 + -8y + y2 = 0 + -76
-8y + y2 = 0 + -76

Combine like terms: 0 + -76 = -76
-8y + y2 = -76

The y term is -8y.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8y + 16 + y2 = -76 + 16

Reorder the terms:
16 + -8y + y2 = -76 + 16

Combine like terms: -76 + 16 = -60
16 + -8y + y2 = -60

Factor a perfect square on the left side:
(y + -4)(y + -4) = -60

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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