w^2-8w+6=0

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Solution for w^2-8w+6=0 equation:


Simplifying
w2 + -8w + 6 = 0

Reorder the terms:
6 + -8w + w2 = 0

Solving
6 + -8w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -8w + -6 + w2 = 0 + -6

Reorder the terms:
6 + -6 + -8w + w2 = 0 + -6

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

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

The w term is -8w.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8w + 16 + w2 = -6 + 16

Reorder the terms:
16 + -8w + w2 = -6 + 16

Combine like terms: -6 + 16 = 10
16 + -8w + w2 = 10

Factor a perfect square on the left side:
(w + -4)(w + -4) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(w + -4) equal to 3.16227766 and -3.16227766.

Subproblem 1

w + -4 = 3.16227766 Simplifying w + -4 = 3.16227766 Reorder the terms: -4 + w = 3.16227766 Solving -4 + w = 3.16227766 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = 3.16227766 + 4 Combine like terms: -4 + 4 = 0 0 + w = 3.16227766 + 4 w = 3.16227766 + 4 Combine like terms: 3.16227766 + 4 = 7.16227766 w = 7.16227766 Simplifying w = 7.16227766

Subproblem 2

w + -4 = -3.16227766 Simplifying w + -4 = -3.16227766 Reorder the terms: -4 + w = -3.16227766 Solving -4 + w = -3.16227766 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + w = -3.16227766 + 4 Combine like terms: -4 + 4 = 0 0 + w = -3.16227766 + 4 w = -3.16227766 + 4 Combine like terms: -3.16227766 + 4 = 0.83772234 w = 0.83772234 Simplifying w = 0.83772234

Solution

The solution to the problem is based on the solutions from the subproblems. w = {7.16227766, 0.83772234}

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