(x-1)x+5=-8

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Solution for (x-1)x+5=-8 equation:


Simplifying
(x + -1) * x + 5 = -8

Reorder the terms:
(-1 + x) * x + 5 = -8

Reorder the terms for easier multiplication:
x(-1 + x) + 5 = -8
(-1 * x + x * x) + 5 = -8
(-1x + x2) + 5 = -8

Reorder the terms:
5 + -1x + x2 = -8

Solving
5 + -1x + x2 = -8

Solving for variable 'x'.

Reorder the terms:
5 + 8 + -1x + x2 = -8 + 8

Combine like terms: 5 + 8 = 13
13 + -1x + x2 = -8 + 8

Combine like terms: -8 + 8 = 0
13 + -1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-13' to each side of the equation.
13 + -1x + -13 + x2 = 0 + -13

Reorder the terms:
13 + -13 + -1x + x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1x + x2 = 0 + -13
-1x + x2 = 0 + -13

Combine like terms: 0 + -13 = -13
-1x + x2 = -13

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 = -13 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -13 + 0.25

Combine like terms: -13 + 0.25 = -12.75
0.25 + -1x + x2 = -12.75

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -12.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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