w^2-11w-22=0

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Solution for w^2-11w-22=0 equation:


Simplifying
w2 + -11w + -22 = 0

Reorder the terms:
-22 + -11w + w2 = 0

Solving
-22 + -11w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + -11w + 22 + w2 = 0 + 22

Reorder the terms:
-22 + 22 + -11w + w2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + -11w + w2 = 0 + 22
-11w + w2 = 0 + 22

Combine like terms: 0 + 22 = 22
-11w + w2 = 22

The w term is -11w.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11w + 30.25 + w2 = 22 + 30.25

Reorder the terms:
30.25 + -11w + w2 = 22 + 30.25

Combine like terms: 22 + 30.25 = 52.25
30.25 + -11w + w2 = 52.25

Factor a perfect square on the left side:
(w + -5.5)(w + -5.5) = 52.25

Calculate the square root of the right side: 7.228416147

Break this problem into two subproblems by setting 
(w + -5.5) equal to 7.228416147 and -7.228416147.

Subproblem 1

w + -5.5 = 7.228416147 Simplifying w + -5.5 = 7.228416147 Reorder the terms: -5.5 + w = 7.228416147 Solving -5.5 + w = 7.228416147 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + w = 7.228416147 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + w = 7.228416147 + 5.5 w = 7.228416147 + 5.5 Combine like terms: 7.228416147 + 5.5 = 12.728416147 w = 12.728416147 Simplifying w = 12.728416147

Subproblem 2

w + -5.5 = -7.228416147 Simplifying w + -5.5 = -7.228416147 Reorder the terms: -5.5 + w = -7.228416147 Solving -5.5 + w = -7.228416147 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + w = -7.228416147 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + w = -7.228416147 + 5.5 w = -7.228416147 + 5.5 Combine like terms: -7.228416147 + 5.5 = -1.728416147 w = -1.728416147 Simplifying w = -1.728416147

Solution

The solution to the problem is based on the solutions from the subproblems. w = {12.728416147, -1.728416147}

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