(3w^2+3w)-(-8w^2-3w+8)=

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Solution for (3w^2+3w)-(-8w^2-3w+8)= equation:


Simplifying
(3w2 + 3w) + -1(-8w2 + -3w + 8) = 0

Reorder the terms:
(3w + 3w2) + -1(-8w2 + -3w + 8) = 0

Remove parenthesis around (3w + 3w2)
3w + 3w2 + -1(-8w2 + -3w + 8) = 0

Reorder the terms:
3w + 3w2 + -1(8 + -3w + -8w2) = 0
3w + 3w2 + (8 * -1 + -3w * -1 + -8w2 * -1) = 0
3w + 3w2 + (-8 + 3w + 8w2) = 0

Reorder the terms:
-8 + 3w + 3w + 3w2 + 8w2 = 0

Combine like terms: 3w + 3w = 6w
-8 + 6w + 3w2 + 8w2 = 0

Combine like terms: 3w2 + 8w2 = 11w2
-8 + 6w + 11w2 = 0

Solving
-8 + 6w + 11w2 = 0

Solving for variable 'w'.

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

Divide each side by '11'.
-0.7272727273 + 0.5454545455w + w2 = 0

Move the constant term to the right:

Add '0.7272727273' to each side of the equation.
-0.7272727273 + 0.5454545455w + 0.7272727273 + w2 = 0 + 0.7272727273

Reorder the terms:
-0.7272727273 + 0.7272727273 + 0.5454545455w + w2 = 0 + 0.7272727273

Combine like terms: -0.7272727273 + 0.7272727273 = 0.0000000000
0.0000000000 + 0.5454545455w + w2 = 0 + 0.7272727273
0.5454545455w + w2 = 0 + 0.7272727273

Combine like terms: 0 + 0.7272727273 = 0.7272727273
0.5454545455w + w2 = 0.7272727273

The w term is 0.5454545455w.  Take half its coefficient (0.2727272728).
Square it (0.07438016533) and add it to both sides.

Add '0.07438016533' to each side of the equation.
0.5454545455w + 0.07438016533 + w2 = 0.7272727273 + 0.07438016533

Reorder the terms:
0.07438016533 + 0.5454545455w + w2 = 0.7272727273 + 0.07438016533

Combine like terms: 0.7272727273 + 0.07438016533 = 0.80165289263
0.07438016533 + 0.5454545455w + w2 = 0.80165289263

Factor a perfect square on the left side:
(w + 0.2727272728)(w + 0.2727272728) = 0.80165289263

Calculate the square root of the right side: 0.895350709

Break this problem into two subproblems by setting 
(w + 0.2727272728) equal to 0.895350709 and -0.895350709.

Subproblem 1

w + 0.2727272728 = 0.895350709 Simplifying w + 0.2727272728 = 0.895350709 Reorder the terms: 0.2727272728 + w = 0.895350709 Solving 0.2727272728 + w = 0.895350709 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.2727272728' to each side of the equation. 0.2727272728 + -0.2727272728 + w = 0.895350709 + -0.2727272728 Combine like terms: 0.2727272728 + -0.2727272728 = 0.0000000000 0.0000000000 + w = 0.895350709 + -0.2727272728 w = 0.895350709 + -0.2727272728 Combine like terms: 0.895350709 + -0.2727272728 = 0.6226234362 w = 0.6226234362 Simplifying w = 0.6226234362

Subproblem 2

w + 0.2727272728 = -0.895350709 Simplifying w + 0.2727272728 = -0.895350709 Reorder the terms: 0.2727272728 + w = -0.895350709 Solving 0.2727272728 + w = -0.895350709 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.2727272728' to each side of the equation. 0.2727272728 + -0.2727272728 + w = -0.895350709 + -0.2727272728 Combine like terms: 0.2727272728 + -0.2727272728 = 0.0000000000 0.0000000000 + w = -0.895350709 + -0.2727272728 w = -0.895350709 + -0.2727272728 Combine like terms: -0.895350709 + -0.2727272728 = -1.1680779818 w = -1.1680779818 Simplifying w = -1.1680779818

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.6226234362, -1.1680779818}

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