44w^2+w-21=0

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Solution for 44w^2+w-21=0 equation:


Simplifying
44w2 + w + -21 = 0

Reorder the terms:
-21 + w + 44w2 = 0

Solving
-21 + w + 44w2 = 0

Solving for variable 'w'.

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

Divide each side by '44'.
-0.4772727273 + 0.02272727273w + w2 = 0

Move the constant term to the right:

Add '0.4772727273' to each side of the equation.
-0.4772727273 + 0.02272727273w + 0.4772727273 + w2 = 0 + 0.4772727273

Reorder the terms:
-0.4772727273 + 0.4772727273 + 0.02272727273w + w2 = 0 + 0.4772727273

Combine like terms: -0.4772727273 + 0.4772727273 = 0.0000000000
0.0000000000 + 0.02272727273w + w2 = 0 + 0.4772727273
0.02272727273w + w2 = 0 + 0.4772727273

Combine like terms: 0 + 0.4772727273 = 0.4772727273
0.02272727273w + w2 = 0.4772727273

The w term is w.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.02272727273w + 0.25 + w2 = 0.4772727273 + 0.25

Reorder the terms:
0.25 + 0.02272727273w + w2 = 0.4772727273 + 0.25

Combine like terms: 0.4772727273 + 0.25 = 0.7272727273
0.25 + 0.02272727273w + w2 = 0.7272727273

Factor a perfect square on the left side:
(w + 0.5)(w + 0.5) = 0.7272727273

Calculate the square root of the right side: 0.852802865

Break this problem into two subproblems by setting 
(w + 0.5) equal to 0.852802865 and -0.852802865.

Subproblem 1

w + 0.5 = 0.852802865 Simplifying w + 0.5 = 0.852802865 Reorder the terms: 0.5 + w = 0.852802865 Solving 0.5 + w = 0.852802865 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + w = 0.852802865 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + w = 0.852802865 + -0.5 w = 0.852802865 + -0.5 Combine like terms: 0.852802865 + -0.5 = 0.352802865 w = 0.352802865 Simplifying w = 0.352802865

Subproblem 2

w + 0.5 = -0.852802865 Simplifying w + 0.5 = -0.852802865 Reorder the terms: 0.5 + w = -0.852802865 Solving 0.5 + w = -0.852802865 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + w = -0.852802865 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + w = -0.852802865 + -0.5 w = -0.852802865 + -0.5 Combine like terms: -0.852802865 + -0.5 = -1.352802865 w = -1.352802865 Simplifying w = -1.352802865

Solution

The solution to the problem is based on the solutions from the subproblems. w = {0.352802865, -1.352802865}

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