2w^2+1.5w-314.50=0

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Solution for 2w^2+1.5w-314.50=0 equation:


Simplifying
2w2 + 1.5w + -314.50 = 0

Reorder the terms:
-314.50 + 1.5w + 2w2 = 0

Solving
-314.50 + 1.5w + 2w2 = 0

Solving for variable 'w'.

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

Divide each side by '2'.
-157.25 + 0.75w + w2 = 0

Move the constant term to the right:

Add '157.25' to each side of the equation.
-157.25 + 0.75w + 157.25 + w2 = 0 + 157.25

Reorder the terms:
-157.25 + 157.25 + 0.75w + w2 = 0 + 157.25

Combine like terms: -157.25 + 157.25 = 0.00
0.00 + 0.75w + w2 = 0 + 157.25
0.75w + w2 = 0 + 157.25

Combine like terms: 0 + 157.25 = 157.25
0.75w + w2 = 157.25

The w term is 0.75w.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75w + 0.140625 + w2 = 157.25 + 0.140625

Reorder the terms:
0.140625 + 0.75w + w2 = 157.25 + 0.140625

Combine like terms: 157.25 + 0.140625 = 157.390625
0.140625 + 0.75w + w2 = 157.390625

Factor a perfect square on the left side:
(w + 0.375)(w + 0.375) = 157.390625

Calculate the square root of the right side: 12.545542037

Break this problem into two subproblems by setting 
(w + 0.375) equal to 12.545542037 and -12.545542037.

Subproblem 1

w + 0.375 = 12.545542037 Simplifying w + 0.375 = 12.545542037 Reorder the terms: 0.375 + w = 12.545542037 Solving 0.375 + w = 12.545542037 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + w = 12.545542037 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + w = 12.545542037 + -0.375 w = 12.545542037 + -0.375 Combine like terms: 12.545542037 + -0.375 = 12.170542037 w = 12.170542037 Simplifying w = 12.170542037

Subproblem 2

w + 0.375 = -12.545542037 Simplifying w + 0.375 = -12.545542037 Reorder the terms: 0.375 + w = -12.545542037 Solving 0.375 + w = -12.545542037 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + w = -12.545542037 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + w = -12.545542037 + -0.375 w = -12.545542037 + -0.375 Combine like terms: -12.545542037 + -0.375 = -12.920542037 w = -12.920542037 Simplifying w = -12.920542037

Solution

The solution to the problem is based on the solutions from the subproblems. w = {12.170542037, -12.920542037}

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