y(5-y)=176

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Solution for y(5-y)=176 equation:


Simplifying
y(5 + -1y) = 176
(5 * y + -1y * y) = 176
(5y + -1y2) = 176

Solving
5y + -1y2 = 176

Solving for variable 'y'.

Reorder the terms:
-176 + 5y + -1y2 = 176 + -176

Combine like terms: 176 + -176 = 0
-176 + 5y + -1y2 = 0

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

Divide each side by '-1'.
176 + -5y + y2 = 0

Move the constant term to the right:

Add '-176' to each side of the equation.
176 + -5y + -176 + y2 = 0 + -176

Reorder the terms:
176 + -176 + -5y + y2 = 0 + -176

Combine like terms: 176 + -176 = 0
0 + -5y + y2 = 0 + -176
-5y + y2 = 0 + -176

Combine like terms: 0 + -176 = -176
-5y + y2 = -176

The y term is -5y.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5y + 6.25 + y2 = -176 + 6.25

Reorder the terms:
6.25 + -5y + y2 = -176 + 6.25

Combine like terms: -176 + 6.25 = -169.75
6.25 + -5y + y2 = -169.75

Factor a perfect square on the left side:
(y + -2.5)(y + -2.5) = -169.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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