(-6w^2+4w-3)+(7w^2+2w+1)=

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Solution for (-6w^2+4w-3)+(7w^2+2w+1)= equation:


Simplifying
(-6w2 + 4w + -3) + (7w2 + 2w + 1) = 0

Reorder the terms:
(-3 + 4w + -6w2) + (7w2 + 2w + 1) = 0

Remove parenthesis around (-3 + 4w + -6w2)
-3 + 4w + -6w2 + (7w2 + 2w + 1) = 0

Reorder the terms:
-3 + 4w + -6w2 + (1 + 2w + 7w2) = 0

Remove parenthesis around (1 + 2w + 7w2)
-3 + 4w + -6w2 + 1 + 2w + 7w2 = 0

Reorder the terms:
-3 + 1 + 4w + 2w + -6w2 + 7w2 = 0

Combine like terms: -3 + 1 = -2
-2 + 4w + 2w + -6w2 + 7w2 = 0

Combine like terms: 4w + 2w = 6w
-2 + 6w + -6w2 + 7w2 = 0

Combine like terms: -6w2 + 7w2 = 1w2
-2 + 6w + 1w2 = 0

Solving
-2 + 6w + 1w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 6w + 2 + w2 = 0 + 2

Reorder the terms:
-2 + 2 + 6w + w2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 6w + w2 = 0 + 2
6w + w2 = 0 + 2

Combine like terms: 0 + 2 = 2
6w + w2 = 2

The w term is 6w.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6w + 9 + w2 = 2 + 9

Reorder the terms:
9 + 6w + w2 = 2 + 9

Combine like terms: 2 + 9 = 11
9 + 6w + w2 = 11

Factor a perfect square on the left side:
(w + 3)(w + 3) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(w + 3) equal to 3.31662479 and -3.31662479.

Subproblem 1

w + 3 = 3.31662479 Simplifying w + 3 = 3.31662479 Reorder the terms: 3 + w = 3.31662479 Solving 3 + w = 3.31662479 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + w = 3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + w = 3.31662479 + -3 w = 3.31662479 + -3 Combine like terms: 3.31662479 + -3 = 0.31662479 w = 0.31662479 Simplifying w = 0.31662479

Subproblem 2

w + 3 = -3.31662479 Simplifying w + 3 = -3.31662479 Reorder the terms: 3 + w = -3.31662479 Solving 3 + w = -3.31662479 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + w = -3.31662479 + -3 Combine like terms: 3 + -3 = 0 0 + w = -3.31662479 + -3 w = -3.31662479 + -3 Combine like terms: -3.31662479 + -3 = -6.31662479 w = -6.31662479 Simplifying w = -6.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.31662479, -6.31662479}

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