x^2-15x+4=x-64

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Solution for x^2-15x+4=x-64 equation:


Simplifying
x2 + -15x + 4 = x + -64

Reorder the terms:
4 + -15x + x2 = x + -64

Reorder the terms:
4 + -15x + x2 = -64 + x

Solving
4 + -15x + x2 = -64 + x

Solving for variable 'x'.

Reorder the terms:
4 + 64 + -15x + -1x + x2 = -64 + x + 64 + -1x

Combine like terms: 4 + 64 = 68
68 + -15x + -1x + x2 = -64 + x + 64 + -1x

Combine like terms: -15x + -1x = -16x
68 + -16x + x2 = -64 + x + 64 + -1x

Reorder the terms:
68 + -16x + x2 = -64 + 64 + x + -1x

Combine like terms: -64 + 64 = 0
68 + -16x + x2 = 0 + x + -1x
68 + -16x + x2 = x + -1x

Combine like terms: x + -1x = 0
68 + -16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-68' to each side of the equation.
68 + -16x + -68 + x2 = 0 + -68

Reorder the terms:
68 + -68 + -16x + x2 = 0 + -68

Combine like terms: 68 + -68 = 0
0 + -16x + x2 = 0 + -68
-16x + x2 = 0 + -68

Combine like terms: 0 + -68 = -68
-16x + x2 = -68

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 = -68 + 64

Reorder the terms:
64 + -16x + x2 = -68 + 64

Combine like terms: -68 + 64 = -4
64 + -16x + x2 = -4

Factor a perfect square on the left side:
(x + -8)(x + -8) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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