-1.5w^2+35.25w=180

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Solution for -1.5w^2+35.25w=180 equation:


Simplifying
-1.5w2 + 35.25w = 180

Reorder the terms:
35.25w + -1.5w2 = 180

Solving
35.25w + -1.5w2 = 180

Solving for variable 'w'.

Reorder the terms:
-180 + 35.25w + -1.5w2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + 35.25w + -1.5w2 = 0

Begin completing the square.  Divide all terms by
-1.5 the coefficient of the squared term: 

Divide each side by '-1.5'.
120 + -23.5w + w2 = 0

Move the constant term to the right:

Add '-120' to each side of the equation.
120 + -23.5w + -120 + w2 = 0 + -120

Reorder the terms:
120 + -120 + -23.5w + w2 = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -23.5w + w2 = 0 + -120
-23.5w + w2 = 0 + -120

Combine like terms: 0 + -120 = -120
-23.5w + w2 = -120

The w term is -23.5w.  Take half its coefficient (-11.75).
Square it (138.0625) and add it to both sides.

Add '138.0625' to each side of the equation.
-23.5w + 138.0625 + w2 = -120 + 138.0625

Reorder the terms:
138.0625 + -23.5w + w2 = -120 + 138.0625

Combine like terms: -120 + 138.0625 = 18.0625
138.0625 + -23.5w + w2 = 18.0625

Factor a perfect square on the left side:
(w + -11.75)(w + -11.75) = 18.0625

Calculate the square root of the right side: 4.25

Break this problem into two subproblems by setting 
(w + -11.75) equal to 4.25 and -4.25.

Subproblem 1

w + -11.75 = 4.25 Simplifying w + -11.75 = 4.25 Reorder the terms: -11.75 + w = 4.25 Solving -11.75 + w = 4.25 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '11.75' to each side of the equation. -11.75 + 11.75 + w = 4.25 + 11.75 Combine like terms: -11.75 + 11.75 = 0.00 0.00 + w = 4.25 + 11.75 w = 4.25 + 11.75 Combine like terms: 4.25 + 11.75 = 16 w = 16 Simplifying w = 16

Subproblem 2

w + -11.75 = -4.25 Simplifying w + -11.75 = -4.25 Reorder the terms: -11.75 + w = -4.25 Solving -11.75 + w = -4.25 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '11.75' to each side of the equation. -11.75 + 11.75 + w = -4.25 + 11.75 Combine like terms: -11.75 + 11.75 = 0.00 0.00 + w = -4.25 + 11.75 w = -4.25 + 11.75 Combine like terms: -4.25 + 11.75 = 7.5 w = 7.5 Simplifying w = 7.5

Solution

The solution to the problem is based on the solutions from the subproblems. w = {16, 7.5}

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