(4w^2-6w-1)+(3w^2-7w+5)=0

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Solution for (4w^2-6w-1)+(3w^2-7w+5)=0 equation:


Simplifying
(4w2 + -6w + -1) + (3w2 + -7w + 5) = 0

Reorder the terms:
(-1 + -6w + 4w2) + (3w2 + -7w + 5) = 0

Remove parenthesis around (-1 + -6w + 4w2)
-1 + -6w + 4w2 + (3w2 + -7w + 5) = 0

Reorder the terms:
-1 + -6w + 4w2 + (5 + -7w + 3w2) = 0

Remove parenthesis around (5 + -7w + 3w2)
-1 + -6w + 4w2 + 5 + -7w + 3w2 = 0

Reorder the terms:
-1 + 5 + -6w + -7w + 4w2 + 3w2 = 0

Combine like terms: -1 + 5 = 4
4 + -6w + -7w + 4w2 + 3w2 = 0

Combine like terms: -6w + -7w = -13w
4 + -13w + 4w2 + 3w2 = 0

Combine like terms: 4w2 + 3w2 = 7w2
4 + -13w + 7w2 = 0

Solving
4 + -13w + 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'.
0.5714285714 + -1.857142857w + w2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + -1.857142857w + -0.5714285714 + w2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + -1.857142857w + w2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + -1.857142857w + w2 = 0 + -0.5714285714
-1.857142857w + w2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
-1.857142857w + w2 = -0.5714285714

The w term is -1.857142857w.  Take half its coefficient (-0.9285714285).
Square it (0.8622448978) and add it to both sides.

Add '0.8622448978' to each side of the equation.
-1.857142857w + 0.8622448978 + w2 = -0.5714285714 + 0.8622448978

Reorder the terms:
0.8622448978 + -1.857142857w + w2 = -0.5714285714 + 0.8622448978

Combine like terms: -0.5714285714 + 0.8622448978 = 0.2908163264
0.8622448978 + -1.857142857w + w2 = 0.2908163264

Factor a perfect square on the left side:
(w + -0.9285714285)(w + -0.9285714285) = 0.2908163264

Calculate the square root of the right side: 0.539273888

Break this problem into two subproblems by setting 
(w + -0.9285714285) equal to 0.539273888 and -0.539273888.

Subproblem 1

w + -0.9285714285 = 0.539273888 Simplifying w + -0.9285714285 = 0.539273888 Reorder the terms: -0.9285714285 + w = 0.539273888 Solving -0.9285714285 + w = 0.539273888 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.9285714285' to each side of the equation. -0.9285714285 + 0.9285714285 + w = 0.539273888 + 0.9285714285 Combine like terms: -0.9285714285 + 0.9285714285 = 0.0000000000 0.0000000000 + w = 0.539273888 + 0.9285714285 w = 0.539273888 + 0.9285714285 Combine like terms: 0.539273888 + 0.9285714285 = 1.4678453165 w = 1.4678453165 Simplifying w = 1.4678453165

Subproblem 2

w + -0.9285714285 = -0.539273888 Simplifying w + -0.9285714285 = -0.539273888 Reorder the terms: -0.9285714285 + w = -0.539273888 Solving -0.9285714285 + w = -0.539273888 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '0.9285714285' to each side of the equation. -0.9285714285 + 0.9285714285 + w = -0.539273888 + 0.9285714285 Combine like terms: -0.9285714285 + 0.9285714285 = 0.0000000000 0.0000000000 + w = -0.539273888 + 0.9285714285 w = -0.539273888 + 0.9285714285 Combine like terms: -0.539273888 + 0.9285714285 = 0.3892975405 w = 0.3892975405 Simplifying w = 0.3892975405

Solution

The solution to the problem is based on the solutions from the subproblems. w = {1.4678453165, 0.3892975405}

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