12x+360=-x^2

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Solution for 12x+360=-x^2 equation:


Simplifying
12x + 360 = -1x2

Reorder the terms:
360 + 12x = -1x2

Solving
360 + 12x = -1x2

Solving for variable 'x'.

Combine like terms: -1x2 + x2 = 0
360 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-360' to each side of the equation.
360 + 12x + -360 + x2 = 0 + -360

Reorder the terms:
360 + -360 + 12x + x2 = 0 + -360

Combine like terms: 360 + -360 = 0
0 + 12x + x2 = 0 + -360
12x + x2 = 0 + -360

Combine like terms: 0 + -360 = -360
12x + x2 = -360

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -360 + 36

Reorder the terms:
36 + 12x + x2 = -360 + 36

Combine like terms: -360 + 36 = -324
36 + 12x + x2 = -324

Factor a perfect square on the left side:
(x + 6)(x + 6) = -324

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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