4x=x^2+64

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


Simplifying
4x = x2 + 64

Reorder the terms:
4x = 64 + x2

Solving
4x = 64 + x2

Solving for variable 'x'.

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

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

Combine like terms: 64 + -64 = 0
-64 + 4x + -1x2 = 0 + x2 + -1x2
-64 + 4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-64 + 4x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
64 + -4x + x2 = 0

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -4x + -64 + x2 = 0 + -64

Reorder the terms:
64 + -64 + -4x + x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -4x + x2 = 0 + -64
-4x + x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-4x + x2 = -64

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 = -64 + 4

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

Combine like terms: -64 + 4 = -60
4 + -4x + x2 = -60

Factor a perfect square on the left side:
(x + -2)(x + -2) = -60

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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