w^2-19w-36=

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Solution for w^2-19w-36= equation:


Simplifying
w2 + -19w + -36 = 0

Reorder the terms:
-36 + -19w + w2 = 0

Solving
-36 + -19w + w2 = 0

Solving for variable 'w'.

Begin completing the square.

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + -19w + 36 + w2 = 0 + 36

Reorder the terms:
-36 + 36 + -19w + w2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -19w + w2 = 0 + 36
-19w + w2 = 0 + 36

Combine like terms: 0 + 36 = 36
-19w + w2 = 36

The w term is -19w.  Take half its coefficient (-9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
-19w + 90.25 + w2 = 36 + 90.25

Reorder the terms:
90.25 + -19w + w2 = 36 + 90.25

Combine like terms: 36 + 90.25 = 126.25
90.25 + -19w + w2 = 126.25

Factor a perfect square on the left side:
(w + -9.5)(w + -9.5) = 126.25

Calculate the square root of the right side: 11.236102527

Break this problem into two subproblems by setting 
(w + -9.5) equal to 11.236102527 and -11.236102527.

Subproblem 1

w + -9.5 = 11.236102527 Simplifying w + -9.5 = 11.236102527 Reorder the terms: -9.5 + w = 11.236102527 Solving -9.5 + w = 11.236102527 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + w = 11.236102527 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + w = 11.236102527 + 9.5 w = 11.236102527 + 9.5 Combine like terms: 11.236102527 + 9.5 = 20.736102527 w = 20.736102527 Simplifying w = 20.736102527

Subproblem 2

w + -9.5 = -11.236102527 Simplifying w + -9.5 = -11.236102527 Reorder the terms: -9.5 + w = -11.236102527 Solving -9.5 + w = -11.236102527 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + w = -11.236102527 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + w = -11.236102527 + 9.5 w = -11.236102527 + 9.5 Combine like terms: -11.236102527 + 9.5 = -1.736102527 w = -1.736102527 Simplifying w = -1.736102527

Solution

The solution to the problem is based on the solutions from the subproblems. w = {20.736102527, -1.736102527}

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