-3w^2+52w+18=0

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Solution for -3w^2+52w+18=0 equation:


Simplifying
-3w2 + 52w + 18 = 0

Reorder the terms:
18 + 52w + -3w2 = 0

Solving
18 + 52w + -3w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-6 + -17.33333333w + w2 = 0

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + -17.33333333w + 6 + w2 = 0 + 6

Reorder the terms:
-6 + 6 + -17.33333333w + w2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -17.33333333w + w2 = 0 + 6
-17.33333333w + w2 = 0 + 6

Combine like terms: 0 + 6 = 6
-17.33333333w + w2 = 6

The w term is -17.33333333w.  Take half its coefficient (-8.666666665).
Square it (75.11111108) and add it to both sides.

Add '75.11111108' to each side of the equation.
-17.33333333w + 75.11111108 + w2 = 6 + 75.11111108

Reorder the terms:
75.11111108 + -17.33333333w + w2 = 6 + 75.11111108

Combine like terms: 6 + 75.11111108 = 81.11111108
75.11111108 + -17.33333333w + w2 = 81.11111108

Factor a perfect square on the left side:
(w + -8.666666665)(w + -8.666666665) = 81.11111108

Calculate the square root of the right side: 9.006170722

Break this problem into two subproblems by setting 
(w + -8.666666665) equal to 9.006170722 and -9.006170722.

Subproblem 1

w + -8.666666665 = 9.006170722 Simplifying w + -8.666666665 = 9.006170722 Reorder the terms: -8.666666665 + w = 9.006170722 Solving -8.666666665 + w = 9.006170722 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '8.666666665' to each side of the equation. -8.666666665 + 8.666666665 + w = 9.006170722 + 8.666666665 Combine like terms: -8.666666665 + 8.666666665 = 0.000000000 0.000000000 + w = 9.006170722 + 8.666666665 w = 9.006170722 + 8.666666665 Combine like terms: 9.006170722 + 8.666666665 = 17.672837387 w = 17.672837387 Simplifying w = 17.672837387

Subproblem 2

w + -8.666666665 = -9.006170722 Simplifying w + -8.666666665 = -9.006170722 Reorder the terms: -8.666666665 + w = -9.006170722 Solving -8.666666665 + w = -9.006170722 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '8.666666665' to each side of the equation. -8.666666665 + 8.666666665 + w = -9.006170722 + 8.666666665 Combine like terms: -8.666666665 + 8.666666665 = 0.000000000 0.000000000 + w = -9.006170722 + 8.666666665 w = -9.006170722 + 8.666666665 Combine like terms: -9.006170722 + 8.666666665 = -0.339504057 w = -0.339504057 Simplifying w = -0.339504057

Solution

The solution to the problem is based on the solutions from the subproblems. w = {17.672837387, -0.339504057}

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