y^2-8y=-24

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Solution for y^2-8y=-24 equation:


Simplifying
y2 + -8y = -24

Reorder the terms:
-8y + y2 = -24

Solving
-8y + y2 = -24

Solving for variable 'y'.

Reorder the terms:
24 + -8y + y2 = -24 + 24

Combine like terms: -24 + 24 = 0
24 + -8y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-24' to each side of the equation.
24 + -8y + -24 + y2 = 0 + -24

Reorder the terms:
24 + -24 + -8y + y2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -8y + y2 = 0 + -24
-8y + y2 = 0 + -24

Combine like terms: 0 + -24 = -24
-8y + y2 = -24

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 = -24 + 16

Reorder the terms:
16 + -8y + y2 = -24 + 16

Combine like terms: -24 + 16 = -8
16 + -8y + y2 = -8

Factor a perfect square on the left side:
(y + -4)(y + -4) = -8

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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