-9y^2+24y-64=0

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Solution for -9y^2+24y-64=0 equation:


Simplifying
-9y2 + 24y + -64 = 0

Reorder the terms:
-64 + 24y + -9y2 = 0

Solving
-64 + 24y + -9y2 = 0

Solving for variable 'y'.

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
7.111111111 + -2.666666667y + y2 = 0

Move the constant term to the right:

Add '-7.111111111' to each side of the equation.
7.111111111 + -2.666666667y + -7.111111111 + y2 = 0 + -7.111111111

Reorder the terms:
7.111111111 + -7.111111111 + -2.666666667y + y2 = 0 + -7.111111111

Combine like terms: 7.111111111 + -7.111111111 = 0.000000000
0.000000000 + -2.666666667y + y2 = 0 + -7.111111111
-2.666666667y + y2 = 0 + -7.111111111

Combine like terms: 0 + -7.111111111 = -7.111111111
-2.666666667y + y2 = -7.111111111

The y term is -2.666666667y.  Take half its coefficient (-1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
-2.666666667y + 1.777777780 + y2 = -7.111111111 + 1.777777780

Reorder the terms:
1.777777780 + -2.666666667y + y2 = -7.111111111 + 1.777777780

Combine like terms: -7.111111111 + 1.777777780 = -5.333333331
1.777777780 + -2.666666667y + y2 = -5.333333331

Factor a perfect square on the left side:
(y + -1.333333334)(y + -1.333333334) = -5.333333331

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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