x^2-16x+64=-7

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Solution for x^2-16x+64=-7 equation:


Simplifying
x2 + -16x + 64 = -7

Reorder the terms:
64 + -16x + x2 = -7

Solving
64 + -16x + x2 = -7

Solving for variable 'x'.

Reorder the terms:
64 + 7 + -16x + x2 = -7 + 7

Combine like terms: 64 + 7 = 71
71 + -16x + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
71 + -16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-71' to each side of the equation.
71 + -16x + -71 + x2 = 0 + -71

Reorder the terms:
71 + -71 + -16x + x2 = 0 + -71

Combine like terms: 71 + -71 = 0
0 + -16x + x2 = 0 + -71
-16x + x2 = 0 + -71

Combine like terms: 0 + -71 = -71
-16x + x2 = -71

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -71 + 64

Reorder the terms:
64 + -16x + x2 = -71 + 64

Combine like terms: -71 + 64 = -7
64 + -16x + x2 = -7

Factor a perfect square on the left side:
(x + -8)(x + -8) = -7

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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