-8x^2+12x=5

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Solution for -8x^2+12x=5 equation:


Simplifying
-8x2 + 12x = 5

Reorder the terms:
12x + -8x2 = 5

Solving
12x + -8x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 12x + -8x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 12x + -8x2 = 0

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
0.625 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-0.625' to each side of the equation.
0.625 + -1.5x + -0.625 + x2 = 0 + -0.625

Reorder the terms:
0.625 + -0.625 + -1.5x + x2 = 0 + -0.625

Combine like terms: 0.625 + -0.625 = 0.000
0.000 + -1.5x + x2 = 0 + -0.625
-1.5x + x2 = 0 + -0.625

Combine like terms: 0 + -0.625 = -0.625
-1.5x + x2 = -0.625

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -0.625 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -0.625 + 0.5625

Combine like terms: -0.625 + 0.5625 = -0.0625
0.5625 + -1.5x + x2 = -0.0625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = -0.0625

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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