4x^2-16x+64=-5

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Solution for 4x^2-16x+64=-5 equation:


Simplifying
4x2 + -16x + 64 = -5

Reorder the terms:
64 + -16x + 4x2 = -5

Solving
64 + -16x + 4x2 = -5

Solving for variable 'x'.

Reorder the terms:
64 + 5 + -16x + 4x2 = -5 + 5

Combine like terms: 64 + 5 = 69
69 + -16x + 4x2 = -5 + 5

Combine like terms: -5 + 5 = 0
69 + -16x + 4x2 = 0

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

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

Move the constant term to the right:

Add '-17.25' to each side of the equation.
17.25 + -4x + -17.25 + x2 = 0 + -17.25

Reorder the terms:
17.25 + -17.25 + -4x + x2 = 0 + -17.25

Combine like terms: 17.25 + -17.25 = 0.00
0.00 + -4x + x2 = 0 + -17.25
-4x + x2 = 0 + -17.25

Combine like terms: 0 + -17.25 = -17.25
-4x + x2 = -17.25

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -17.25 + 4

Reorder the terms:
4 + -4x + x2 = -17.25 + 4

Combine like terms: -17.25 + 4 = -13.25
4 + -4x + x2 = -13.25

Factor a perfect square on the left side:
(x + -2)(x + -2) = -13.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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