6y(2y-4)-14(2y-26)=5-21(3y+5)

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Solution for 6y(2y-4)-14(2y-26)=5-21(3y+5) equation:


Simplifying
6y(2y + -4) + -14(2y + -26) = 5 + -21(3y + 5)

Reorder the terms:
6y(-4 + 2y) + -14(2y + -26) = 5 + -21(3y + 5)
(-4 * 6y + 2y * 6y) + -14(2y + -26) = 5 + -21(3y + 5)
(-24y + 12y2) + -14(2y + -26) = 5 + -21(3y + 5)

Reorder the terms:
-24y + 12y2 + -14(-26 + 2y) = 5 + -21(3y + 5)
-24y + 12y2 + (-26 * -14 + 2y * -14) = 5 + -21(3y + 5)
-24y + 12y2 + (364 + -28y) = 5 + -21(3y + 5)

Reorder the terms:
364 + -24y + -28y + 12y2 = 5 + -21(3y + 5)

Combine like terms: -24y + -28y = -52y
364 + -52y + 12y2 = 5 + -21(3y + 5)

Reorder the terms:
364 + -52y + 12y2 = 5 + -21(5 + 3y)
364 + -52y + 12y2 = 5 + (5 * -21 + 3y * -21)
364 + -52y + 12y2 = 5 + (-105 + -63y)

Combine like terms: 5 + -105 = -100
364 + -52y + 12y2 = -100 + -63y

Solving
364 + -52y + 12y2 = -100 + -63y

Solving for variable 'y'.

Reorder the terms:
364 + 100 + -52y + 63y + 12y2 = -100 + -63y + 100 + 63y

Combine like terms: 364 + 100 = 464
464 + -52y + 63y + 12y2 = -100 + -63y + 100 + 63y

Combine like terms: -52y + 63y = 11y
464 + 11y + 12y2 = -100 + -63y + 100 + 63y

Reorder the terms:
464 + 11y + 12y2 = -100 + 100 + -63y + 63y

Combine like terms: -100 + 100 = 0
464 + 11y + 12y2 = 0 + -63y + 63y
464 + 11y + 12y2 = -63y + 63y

Combine like terms: -63y + 63y = 0
464 + 11y + 12y2 = 0

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

Divide each side by '12'.
38.66666667 + 0.9166666667y + y2 = 0

Move the constant term to the right:

Add '-38.66666667' to each side of the equation.
38.66666667 + 0.9166666667y + -38.66666667 + y2 = 0 + -38.66666667

Reorder the terms:
38.66666667 + -38.66666667 + 0.9166666667y + y2 = 0 + -38.66666667

Combine like terms: 38.66666667 + -38.66666667 = 0.00000000
0.00000000 + 0.9166666667y + y2 = 0 + -38.66666667
0.9166666667y + y2 = 0 + -38.66666667

Combine like terms: 0 + -38.66666667 = -38.66666667
0.9166666667y + y2 = -38.66666667

The y term is 0.9166666667y.  Take half its coefficient (0.4583333334).
Square it (0.2100694445) and add it to both sides.

Add '0.2100694445' to each side of the equation.
0.9166666667y + 0.2100694445 + y2 = -38.66666667 + 0.2100694445

Reorder the terms:
0.2100694445 + 0.9166666667y + y2 = -38.66666667 + 0.2100694445

Combine like terms: -38.66666667 + 0.2100694445 = -38.4565972255
0.2100694445 + 0.9166666667y + y2 = -38.4565972255

Factor a perfect square on the left side:
(y + 0.4583333334)(y + 0.4583333334) = -38.4565972255

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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