(6w^2-5w+2)-(-w^2+4w+3)=

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Solution for (6w^2-5w+2)-(-w^2+4w+3)= equation:


Simplifying
(6w2 + -5w + 2) + -1(-1w2 + 4w + 3) = 0

Reorder the terms:
(2 + -5w + 6w2) + -1(-1w2 + 4w + 3) = 0

Remove parenthesis around (2 + -5w + 6w2)
2 + -5w + 6w2 + -1(-1w2 + 4w + 3) = 0

Reorder the terms:
2 + -5w + 6w2 + -1(3 + 4w + -1w2) = 0
2 + -5w + 6w2 + (3 * -1 + 4w * -1 + -1w2 * -1) = 0
2 + -5w + 6w2 + (-3 + -4w + 1w2) = 0

Reorder the terms:
2 + -3 + -5w + -4w + 6w2 + 1w2 = 0

Combine like terms: 2 + -3 = -1
-1 + -5w + -4w + 6w2 + 1w2 = 0

Combine like terms: -5w + -4w = -9w
-1 + -9w + 6w2 + 1w2 = 0

Combine like terms: 6w2 + 1w2 = 7w2
-1 + -9w + 7w2 = 0

Solving
-1 + -9w + 7w2 = 0

Solving for variable 'w'.

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

Divide each side by '7'.
-0.1428571429 + -1.285714286w + w2 = 0

Move the constant term to the right:

Add '0.1428571429' to each side of the equation.
-0.1428571429 + -1.285714286w + 0.1428571429 + w2 = 0 + 0.1428571429

Reorder the terms:
-0.1428571429 + 0.1428571429 + -1.285714286w + w2 = 0 + 0.1428571429

Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000
0.0000000000 + -1.285714286w + w2 = 0 + 0.1428571429
-1.285714286w + w2 = 0 + 0.1428571429

Combine like terms: 0 + 0.1428571429 = 0.1428571429
-1.285714286w + w2 = 0.1428571429

The w term is -1.285714286w.  Take half its coefficient (-0.642857143).
Square it (0.4132653063) and add it to both sides.

Add '0.4132653063' to each side of the equation.
-1.285714286w + 0.4132653063 + w2 = 0.1428571429 + 0.4132653063

Reorder the terms:
0.4132653063 + -1.285714286w + w2 = 0.1428571429 + 0.4132653063

Combine like terms: 0.1428571429 + 0.4132653063 = 0.5561224492
0.4132653063 + -1.285714286w + w2 = 0.5561224492

Factor a perfect square on the left side:
(w + -0.642857143)(w + -0.642857143) = 0.5561224492

Calculate the square root of the right side: 0.745736179

Break this problem into two subproblems by setting 
(w + -0.642857143) equal to 0.745736179 and -0.745736179.

Subproblem 1

w + -0.642857143 = 0.745736179 Simplifying w + -0.642857143 = 0.745736179 Reorder the terms: -0.642857143 + w = 0.745736179 Solving -0.642857143 + w = 0.745736179 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + w = 0.745736179 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + w = 0.745736179 + 0.642857143 w = 0.745736179 + 0.642857143 Combine like terms: 0.745736179 + 0.642857143 = 1.388593322 w = 1.388593322 Simplifying w = 1.388593322

Subproblem 2

w + -0.642857143 = -0.745736179 Simplifying w + -0.642857143 = -0.745736179 Reorder the terms: -0.642857143 + w = -0.745736179 Solving -0.642857143 + w = -0.745736179 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.642857143' to each side of the equation. -0.642857143 + 0.642857143 + w = -0.745736179 + 0.642857143 Combine like terms: -0.642857143 + 0.642857143 = 0.000000000 0.000000000 + w = -0.745736179 + 0.642857143 w = -0.745736179 + 0.642857143 Combine like terms: -0.745736179 + 0.642857143 = -0.102879036 w = -0.102879036 Simplifying w = -0.102879036

Solution

The solution to the problem is based on the solutions from the subproblems. w = {1.388593322, -0.102879036}

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