x^2+20x+100=-64

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Solution for x^2+20x+100=-64 equation:


Simplifying
x2 + 20x + 100 = -64

Reorder the terms:
100 + 20x + x2 = -64

Solving
100 + 20x + x2 = -64

Solving for variable 'x'.

Reorder the terms:
100 + 64 + 20x + x2 = -64 + 64

Combine like terms: 100 + 64 = 164
164 + 20x + x2 = -64 + 64

Combine like terms: -64 + 64 = 0
164 + 20x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-164' to each side of the equation.
164 + 20x + -164 + x2 = 0 + -164

Reorder the terms:
164 + -164 + 20x + x2 = 0 + -164

Combine like terms: 164 + -164 = 0
0 + 20x + x2 = 0 + -164
20x + x2 = 0 + -164

Combine like terms: 0 + -164 = -164
20x + x2 = -164

The x term is 20x.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20x + 100 + x2 = -164 + 100

Reorder the terms:
100 + 20x + x2 = -164 + 100

Combine like terms: -164 + 100 = -64
100 + 20x + x2 = -64

Factor a perfect square on the left side:
(x + 10)(x + 10) = -64

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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