w^2=6w-18

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Solution for w^2=6w-18 equation:


Simplifying
w2 = 6w + -18

Reorder the terms:
w2 = -18 + 6w

Solving
w2 = -18 + 6w

Solving for variable 'w'.

Reorder the terms:
18 + -6w + w2 = -18 + 6w + 18 + -6w

Reorder the terms:
18 + -6w + w2 = -18 + 18 + 6w + -6w

Combine like terms: -18 + 18 = 0
18 + -6w + w2 = 0 + 6w + -6w
18 + -6w + w2 = 6w + -6w

Combine like terms: 6w + -6w = 0
18 + -6w + w2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -6w + -18 + w2 = 0 + -18

Reorder the terms:
18 + -18 + -6w + w2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6w + w2 = 0 + -18
-6w + w2 = 0 + -18

Combine like terms: 0 + -18 = -18
-6w + w2 = -18

The w term is -6w.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6w + 9 + w2 = -18 + 9

Reorder the terms:
9 + -6w + w2 = -18 + 9

Combine like terms: -18 + 9 = -9
9 + -6w + w2 = -9

Factor a perfect square on the left side:
(w + -3)(w + -3) = -9

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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