w^2=-2w-8

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Solution for w^2=-2w-8 equation:


Simplifying
w2 = -2w + -8

Reorder the terms:
w2 = -8 + -2w

Solving
w2 = -8 + -2w

Solving for variable 'w'.

Reorder the terms:
8 + 2w + w2 = -8 + -2w + 8 + 2w

Reorder the terms:
8 + 2w + w2 = -8 + 8 + -2w + 2w

Combine like terms: -8 + 8 = 0
8 + 2w + w2 = 0 + -2w + 2w
8 + 2w + w2 = -2w + 2w

Combine like terms: -2w + 2w = 0
8 + 2w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + 2w + -8 + w2 = 0 + -8

Reorder the terms:
8 + -8 + 2w + w2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2w + w2 = 0 + -8
2w + w2 = 0 + -8

Combine like terms: 0 + -8 = -8
2w + w2 = -8

The w term is 2w.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2w + 1 + w2 = -8 + 1

Reorder the terms:
1 + 2w + w2 = -8 + 1

Combine like terms: -8 + 1 = -7
1 + 2w + w2 = -7

Factor a perfect square on the left side:
(w + 1)(w + 1) = -7

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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