10w^2+36-38w^2-27+15w=0

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Solution for 10w^2+36-38w^2-27+15w=0 equation:


Simplifying
10w2 + 36 + -38w2 + -27 + 15w = 0

Reorder the terms:
36 + -27 + 15w + 10w2 + -38w2 = 0

Combine like terms: 36 + -27 = 9
9 + 15w + 10w2 + -38w2 = 0

Combine like terms: 10w2 + -38w2 = -28w2
9 + 15w + -28w2 = 0

Solving
9 + 15w + -28w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
-28 the coefficient of the squared term: 

Divide each side by '-28'.
-0.3214285714 + -0.5357142857w + w2 = 0

Move the constant term to the right:

Add '0.3214285714' to each side of the equation.
-0.3214285714 + -0.5357142857w + 0.3214285714 + w2 = 0 + 0.3214285714

Reorder the terms:
-0.3214285714 + 0.3214285714 + -0.5357142857w + w2 = 0 + 0.3214285714

Combine like terms: -0.3214285714 + 0.3214285714 = 0.0000000000
0.0000000000 + -0.5357142857w + w2 = 0 + 0.3214285714
-0.5357142857w + w2 = 0 + 0.3214285714

Combine like terms: 0 + 0.3214285714 = 0.3214285714
-0.5357142857w + w2 = 0.3214285714

The w term is -0.5357142857w.  Take half its coefficient (-0.2678571429).
Square it (0.07174744900) and add it to both sides.

Add '0.07174744900' to each side of the equation.
-0.5357142857w + 0.07174744900 + w2 = 0.3214285714 + 0.07174744900

Reorder the terms:
0.07174744900 + -0.5357142857w + w2 = 0.3214285714 + 0.07174744900

Combine like terms: 0.3214285714 + 0.07174744900 = 0.3931760204
0.07174744900 + -0.5357142857w + w2 = 0.3931760204

Factor a perfect square on the left side:
(w + -0.2678571429)(w + -0.2678571429) = 0.3931760204

Calculate the square root of the right side: 0.627037495

Break this problem into two subproblems by setting 
(w + -0.2678571429) equal to 0.627037495 and -0.627037495.

Subproblem 1

w + -0.2678571429 = 0.627037495 Simplifying w + -0.2678571429 = 0.627037495 Reorder the terms: -0.2678571429 + w = 0.627037495 Solving -0.2678571429 + w = 0.627037495 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.2678571429' to each side of the equation. -0.2678571429 + 0.2678571429 + w = 0.627037495 + 0.2678571429 Combine like terms: -0.2678571429 + 0.2678571429 = 0.0000000000 0.0000000000 + w = 0.627037495 + 0.2678571429 w = 0.627037495 + 0.2678571429 Combine like terms: 0.627037495 + 0.2678571429 = 0.8948946379 w = 0.8948946379 Simplifying w = 0.8948946379

Subproblem 2

w + -0.2678571429 = -0.627037495 Simplifying w + -0.2678571429 = -0.627037495 Reorder the terms: -0.2678571429 + w = -0.627037495 Solving -0.2678571429 + w = -0.627037495 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.2678571429' to each side of the equation. -0.2678571429 + 0.2678571429 + w = -0.627037495 + 0.2678571429 Combine like terms: -0.2678571429 + 0.2678571429 = 0.0000000000 0.0000000000 + w = -0.627037495 + 0.2678571429 w = -0.627037495 + 0.2678571429 Combine like terms: -0.627037495 + 0.2678571429 = -0.3591803521 w = -0.3591803521 Simplifying w = -0.3591803521

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.8948946379, -0.3591803521}

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