x^2+8x+136=0

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Solution for x^2+8x+136=0 equation:


Simplifying
x2 + 8x + 136 = 0

Reorder the terms:
136 + 8x + x2 = 0

Solving
136 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-136' to each side of the equation.
136 + 8x + -136 + x2 = 0 + -136

Reorder the terms:
136 + -136 + 8x + x2 = 0 + -136

Combine like terms: 136 + -136 = 0
0 + 8x + x2 = 0 + -136
8x + x2 = 0 + -136

Combine like terms: 0 + -136 = -136
8x + x2 = -136

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = -136 + 16

Reorder the terms:
16 + 8x + x2 = -136 + 16

Combine like terms: -136 + 16 = -120
16 + 8x + x2 = -120

Factor a perfect square on the left side:
(x + 4)(x + 4) = -120

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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