x^2-x+18=-2x+2

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Solution for x^2-x+18=-2x+2 equation:


Simplifying
x2 + -1x + 18 = -2x + 2

Reorder the terms:
18 + -1x + x2 = -2x + 2

Reorder the terms:
18 + -1x + x2 = 2 + -2x

Solving
18 + -1x + x2 = 2 + -2x

Solving for variable 'x'.

Reorder the terms:
18 + -2 + -1x + 2x + x2 = 2 + -2x + -2 + 2x

Combine like terms: 18 + -2 = 16
16 + -1x + 2x + x2 = 2 + -2x + -2 + 2x

Combine like terms: -1x + 2x = 1x
16 + 1x + x2 = 2 + -2x + -2 + 2x

Reorder the terms:
16 + 1x + x2 = 2 + -2 + -2x + 2x

Combine like terms: 2 + -2 = 0
16 + 1x + x2 = 0 + -2x + 2x
16 + 1x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
16 + 1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + 1x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + 1x + x2 = 0 + -16

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

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

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.
x + 0.25 + x2 = -16 + 0.25

Reorder the terms:
0.25 + x + x2 = -16 + 0.25

Combine like terms: -16 + 0.25 = -15.75
0.25 + x + x2 = -15.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -15.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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