x^2+16=x+4

Solution for x^2+16=x+4 equation:

Simplifying
x2 + 16 = x + 4

Reorder the terms:
16 + x2 = x + 4

Reorder the terms:
16 + x2 = 4 + x

Solving
16 + x2 = 4 + x

Solving for variable 'x'.

Reorder the terms:
16 + -4 + -1x + x2 = 4 + x + -4 + -1x

Combine like terms: 16 + -4 = 12
12 + -1x + x2 = 4 + x + -4 + -1x

Reorder the terms:
12 + -1x + x2 = 4 + -4 + x + -1x

Combine like terms: 4 + -4 = 0
12 + -1x + x2 = 0 + x + -1x
12 + -1x + x2 = x + -1x

Combine like terms: x + -1x = 0
12 + -1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -1x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -1x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x + x2 = 0 + -12
-1x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-1x + x2 = -12

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -12 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -12 + 0.25

Combine like terms: -12 + 0.25 = -11.75
0.25 + -1x + x2 = -11.75

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -11.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.