3w(3w-4)=-20

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Solution for 3w(3w-4)=-20 equation:


Simplifying
3w(3w + -4) = -20

Reorder the terms:
3w(-4 + 3w) = -20
(-4 * 3w + 3w * 3w) = -20
(-12w + 9w2) = -20

Solving
-12w + 9w2 = -20

Solving for variable 'w'.

Reorder the terms:
20 + -12w + 9w2 = -20 + 20

Combine like terms: -20 + 20 = 0
20 + -12w + 9w2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
2.222222222 + -1.333333333w + w2 = 0

Move the constant term to the right:

Add '-2.222222222' to each side of the equation.
2.222222222 + -1.333333333w + -2.222222222 + w2 = 0 + -2.222222222

Reorder the terms:
2.222222222 + -2.222222222 + -1.333333333w + w2 = 0 + -2.222222222

Combine like terms: 2.222222222 + -2.222222222 = 0.000000000
0.000000000 + -1.333333333w + w2 = 0 + -2.222222222
-1.333333333w + w2 = 0 + -2.222222222

Combine like terms: 0 + -2.222222222 = -2.222222222
-1.333333333w + w2 = -2.222222222

The w term is -1.333333333w.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333w + 0.4444444442 + w2 = -2.222222222 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333w + w2 = -2.222222222 + 0.4444444442

Combine like terms: -2.222222222 + 0.4444444442 = -1.7777777778
0.4444444442 + -1.333333333w + w2 = -1.7777777778

Factor a perfect square on the left side:
(w + -0.6666666665)(w + -0.6666666665) = -1.7777777778

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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