2x+23=x^2+100

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Solution for 2x+23=x^2+100 equation:


Simplifying
2x + 23 = x2 + 100

Reorder the terms:
23 + 2x = x2 + 100

Reorder the terms:
23 + 2x = 100 + x2

Solving
23 + 2x = 100 + x2

Solving for variable 'x'.

Reorder the terms:
23 + -100 + 2x + -1x2 = 100 + x2 + -100 + -1x2

Combine like terms: 23 + -100 = -77
-77 + 2x + -1x2 = 100 + x2 + -100 + -1x2

Reorder the terms:
-77 + 2x + -1x2 = 100 + -100 + x2 + -1x2

Combine like terms: 100 + -100 = 0
-77 + 2x + -1x2 = 0 + x2 + -1x2
-77 + 2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-77 + 2x + -1x2 = 0

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

Divide each side by '-1'.
77 + -2x + x2 = 0

Move the constant term to the right:

Add '-77' to each side of the equation.
77 + -2x + -77 + x2 = 0 + -77

Reorder the terms:
77 + -77 + -2x + x2 = 0 + -77

Combine like terms: 77 + -77 = 0
0 + -2x + x2 = 0 + -77
-2x + x2 = 0 + -77

Combine like terms: 0 + -77 = -77
-2x + x2 = -77

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -77 + 1

Reorder the terms:
1 + -2x + x2 = -77 + 1

Combine like terms: -77 + 1 = -76
1 + -2x + x2 = -76

Factor a perfect square on the left side:
(x + -1)(x + -1) = -76

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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