x^2+2x=12x+-51

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Solution for x^2+2x=12x+-51 equation:


Simplifying
x2 + 2x = 12x + -51

Reorder the terms:
2x + x2 = 12x + -51

Reorder the terms:
2x + x2 = -51 + 12x

Solving
2x + x2 = -51 + 12x

Solving for variable 'x'.

Reorder the terms:
51 + 2x + -12x + x2 = -51 + 12x + 51 + -12x

Combine like terms: 2x + -12x = -10x
51 + -10x + x2 = -51 + 12x + 51 + -12x

Reorder the terms:
51 + -10x + x2 = -51 + 51 + 12x + -12x

Combine like terms: -51 + 51 = 0
51 + -10x + x2 = 0 + 12x + -12x
51 + -10x + x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
51 + -10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-51' to each side of the equation.
51 + -10x + -51 + x2 = 0 + -51

Reorder the terms:
51 + -51 + -10x + x2 = 0 + -51

Combine like terms: 51 + -51 = 0
0 + -10x + x2 = 0 + -51
-10x + x2 = 0 + -51

Combine like terms: 0 + -51 = -51
-10x + x2 = -51

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -51 + 25

Reorder the terms:
25 + -10x + x2 = -51 + 25

Combine like terms: -51 + 25 = -26
25 + -10x + x2 = -26

Factor a perfect square on the left side:
(x + -5)(x + -5) = -26

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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