2w(2w-23)=-3w+10

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Solution for 2w(2w-23)=-3w+10 equation:


Simplifying
2w(2w + -23) = -3w + 10

Reorder the terms:
2w(-23 + 2w) = -3w + 10
(-23 * 2w + 2w * 2w) = -3w + 10
(-46w + 4w2) = -3w + 10

Reorder the terms:
-46w + 4w2 = 10 + -3w

Solving
-46w + 4w2 = 10 + -3w

Solving for variable 'w'.

Reorder the terms:
-10 + -46w + 3w + 4w2 = 10 + -3w + -10 + 3w

Combine like terms: -46w + 3w = -43w
-10 + -43w + 4w2 = 10 + -3w + -10 + 3w

Reorder the terms:
-10 + -43w + 4w2 = 10 + -10 + -3w + 3w

Combine like terms: 10 + -10 = 0
-10 + -43w + 4w2 = 0 + -3w + 3w
-10 + -43w + 4w2 = -3w + 3w

Combine like terms: -3w + 3w = 0
-10 + -43w + 4w2 = 0

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

Divide each side by '4'.
-2.5 + -10.75w + w2 = 0

Move the constant term to the right:

Add '2.5' to each side of the equation.
-2.5 + -10.75w + 2.5 + w2 = 0 + 2.5

Reorder the terms:
-2.5 + 2.5 + -10.75w + w2 = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -10.75w + w2 = 0 + 2.5
-10.75w + w2 = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
-10.75w + w2 = 2.5

The w term is -10.75w.  Take half its coefficient (-5.375).
Square it (28.890625) and add it to both sides.

Add '28.890625' to each side of the equation.
-10.75w + 28.890625 + w2 = 2.5 + 28.890625

Reorder the terms:
28.890625 + -10.75w + w2 = 2.5 + 28.890625

Combine like terms: 2.5 + 28.890625 = 31.390625
28.890625 + -10.75w + w2 = 31.390625

Factor a perfect square on the left side:
(w + -5.375)(w + -5.375) = 31.390625

Calculate the square root of the right side: 5.602733708

Break this problem into two subproblems by setting 
(w + -5.375) equal to 5.602733708 and -5.602733708.

Subproblem 1

w + -5.375 = 5.602733708 Simplifying w + -5.375 = 5.602733708 Reorder the terms: -5.375 + w = 5.602733708 Solving -5.375 + w = 5.602733708 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '5.375' to each side of the equation. -5.375 + 5.375 + w = 5.602733708 + 5.375 Combine like terms: -5.375 + 5.375 = 0.000 0.000 + w = 5.602733708 + 5.375 w = 5.602733708 + 5.375 Combine like terms: 5.602733708 + 5.375 = 10.977733708 w = 10.977733708 Simplifying w = 10.977733708

Subproblem 2

w + -5.375 = -5.602733708 Simplifying w + -5.375 = -5.602733708 Reorder the terms: -5.375 + w = -5.602733708 Solving -5.375 + w = -5.602733708 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '5.375' to each side of the equation. -5.375 + 5.375 + w = -5.602733708 + 5.375 Combine like terms: -5.375 + 5.375 = 0.000 0.000 + w = -5.602733708 + 5.375 w = -5.602733708 + 5.375 Combine like terms: -5.602733708 + 5.375 = -0.227733708 w = -0.227733708 Simplifying w = -0.227733708

Solution

The solution to the problem is based on the solutions from the subproblems. w = {10.977733708, -0.227733708}

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