-y^2+12y=60

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Solution for -y^2+12y=60 equation:


Simplifying
-1y2 + 12y = 60

Reorder the terms:
12y + -1y2 = 60

Solving
12y + -1y2 = 60

Solving for variable 'y'.

Reorder the terms:
-60 + 12y + -1y2 = 60 + -60

Combine like terms: 60 + -60 = 0
-60 + 12y + -1y2 = 0

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

Divide each side by '-1'.
60 + -12y + y2 = 0

Move the constant term to the right:

Add '-60' to each side of the equation.
60 + -12y + -60 + y2 = 0 + -60

Reorder the terms:
60 + -60 + -12y + y2 = 0 + -60

Combine like terms: 60 + -60 = 0
0 + -12y + y2 = 0 + -60
-12y + y2 = 0 + -60

Combine like terms: 0 + -60 = -60
-12y + y2 = -60

The y term is -12y.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12y + 36 + y2 = -60 + 36

Reorder the terms:
36 + -12y + y2 = -60 + 36

Combine like terms: -60 + 36 = -24
36 + -12y + y2 = -24

Factor a perfect square on the left side:
(y + -6)(y + -6) = -24

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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