2w(2w)-3w=135

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Solution for 2w(2w)-3w=135 equation:


Simplifying
2w(2w) + -3w = 135

Remove parenthesis around (2w)
2w * 2w + -3w = 135

Reorder the terms for easier multiplication:
2 * 2w * w + -3w = 135

Multiply 2 * 2
4w * w + -3w = 135

Multiply w * w
4w2 + -3w = 135

Reorder the terms:
-3w + 4w2 = 135

Solving
-3w + 4w2 = 135

Solving for variable 'w'.

Reorder the terms:
-135 + -3w + 4w2 = 135 + -135

Combine like terms: 135 + -135 = 0
-135 + -3w + 4w2 = 0

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

Divide each side by '4'.
-33.75 + -0.75w + w2 = 0

Move the constant term to the right:

Add '33.75' to each side of the equation.
-33.75 + -0.75w + 33.75 + w2 = 0 + 33.75

Reorder the terms:
-33.75 + 33.75 + -0.75w + w2 = 0 + 33.75

Combine like terms: -33.75 + 33.75 = 0.00
0.00 + -0.75w + w2 = 0 + 33.75
-0.75w + w2 = 0 + 33.75

Combine like terms: 0 + 33.75 = 33.75
-0.75w + w2 = 33.75

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 = 33.75 + 0.140625

Reorder the terms:
0.140625 + -0.75w + w2 = 33.75 + 0.140625

Combine like terms: 33.75 + 0.140625 = 33.890625
0.140625 + -0.75w + w2 = 33.890625

Factor a perfect square on the left side:
(w + -0.375)(w + -0.375) = 33.890625

Calculate the square root of the right side: 5.821565511

Break this problem into two subproblems by setting 
(w + -0.375) equal to 5.821565511 and -5.821565511.

Subproblem 1

w + -0.375 = 5.821565511 Simplifying w + -0.375 = 5.821565511 Reorder the terms: -0.375 + w = 5.821565511 Solving -0.375 + w = 5.821565511 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 = 5.821565511 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + w = 5.821565511 + 0.375 w = 5.821565511 + 0.375 Combine like terms: 5.821565511 + 0.375 = 6.196565511 w = 6.196565511 Simplifying w = 6.196565511

Subproblem 2

w + -0.375 = -5.821565511 Simplifying w + -0.375 = -5.821565511 Reorder the terms: -0.375 + w = -5.821565511 Solving -0.375 + w = -5.821565511 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 = -5.821565511 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + w = -5.821565511 + 0.375 w = -5.821565511 + 0.375 Combine like terms: -5.821565511 + 0.375 = -5.446565511 w = -5.446565511 Simplifying w = -5.446565511

Solution

The solution to the problem is based on the solutions from the subproblems. w = {6.196565511, -5.446565511}

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