-5(2y-8)-y=-3y(y-3)

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Solution for -5(2y-8)-y=-3y(y-3) equation:


Simplifying
-5(2y + -8) + -1y = -3y(y + -3)

Reorder the terms:
-5(-8 + 2y) + -1y = -3y(y + -3)
(-8 * -5 + 2y * -5) + -1y = -3y(y + -3)
(40 + -10y) + -1y = -3y(y + -3)

Combine like terms: -10y + -1y = -11y
40 + -11y = -3y(y + -3)

Reorder the terms:
40 + -11y = -3y(-3 + y)
40 + -11y = (-3 * -3y + y * -3y)
40 + -11y = (9y + -3y2)

Solving
40 + -11y = 9y + -3y2

Solving for variable 'y'.

Combine like terms: -11y + -9y = -20y
40 + -20y + 3y2 = 9y + -3y2 + -9y + 3y2

Reorder the terms:
40 + -20y + 3y2 = 9y + -9y + -3y2 + 3y2

Combine like terms: 9y + -9y = 0
40 + -20y + 3y2 = 0 + -3y2 + 3y2
40 + -20y + 3y2 = -3y2 + 3y2

Combine like terms: -3y2 + 3y2 = 0
40 + -20y + 3y2 = 0

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

Divide each side by '3'.
13.33333333 + -6.666666667y + y2 = 0

Move the constant term to the right:

Add '-13.33333333' to each side of the equation.
13.33333333 + -6.666666667y + -13.33333333 + y2 = 0 + -13.33333333

Reorder the terms:
13.33333333 + -13.33333333 + -6.666666667y + y2 = 0 + -13.33333333

Combine like terms: 13.33333333 + -13.33333333 = 0.00000000
0.00000000 + -6.666666667y + y2 = 0 + -13.33333333
-6.666666667y + y2 = 0 + -13.33333333

Combine like terms: 0 + -13.33333333 = -13.33333333
-6.666666667y + y2 = -13.33333333

The y term is -6.666666667y.  Take half its coefficient (-3.333333334).
Square it (11.11111112) and add it to both sides.

Add '11.11111112' to each side of the equation.
-6.666666667y + 11.11111112 + y2 = -13.33333333 + 11.11111112

Reorder the terms:
11.11111112 + -6.666666667y + y2 = -13.33333333 + 11.11111112

Combine like terms: -13.33333333 + 11.11111112 = -2.22222221
11.11111112 + -6.666666667y + y2 = -2.22222221

Factor a perfect square on the left side:
(y + -3.333333334)(y + -3.333333334) = -2.22222221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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