-4x^2+32x-69=0

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Solution for -4x^2+32x-69=0 equation:


Simplifying
-4x2 + 32x + -69 = 0

Reorder the terms:
-69 + 32x + -4x2 = 0

Solving
-69 + 32x + -4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
17.25 + -8x + x2 = 0

Move the constant term to the right:

Add '-17.25' to each side of the equation.
17.25 + -8x + -17.25 + x2 = 0 + -17.25

Reorder the terms:
17.25 + -17.25 + -8x + x2 = 0 + -17.25

Combine like terms: 17.25 + -17.25 = 0.00
0.00 + -8x + x2 = 0 + -17.25
-8x + x2 = 0 + -17.25

Combine like terms: 0 + -17.25 = -17.25
-8x + x2 = -17.25

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -17.25 + 16

Reorder the terms:
16 + -8x + x2 = -17.25 + 16

Combine like terms: -17.25 + 16 = -1.25
16 + -8x + x2 = -1.25

Factor a perfect square on the left side:
(x + -4)(x + -4) = -1.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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