4x^2-179x-180=0

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Solution for 4x^2-179x-180=0 equation:


Simplifying
4x2 + -179x + -180 = 0

Reorder the terms:
-180 + -179x + 4x2 = 0

Solving
-180 + -179x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-45 + -44.75x + x2 = 0

Move the constant term to the right:

Add '45' to each side of the equation.
-45 + -44.75x + 45 + x2 = 0 + 45

Reorder the terms:
-45 + 45 + -44.75x + x2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + -44.75x + x2 = 0 + 45
-44.75x + x2 = 0 + 45

Combine like terms: 0 + 45 = 45
-44.75x + x2 = 45

The x term is -44.75x.  Take half its coefficient (-22.375).
Square it (500.640625) and add it to both sides.

Add '500.640625' to each side of the equation.
-44.75x + 500.640625 + x2 = 45 + 500.640625

Reorder the terms:
500.640625 + -44.75x + x2 = 45 + 500.640625

Combine like terms: 45 + 500.640625 = 545.640625
500.640625 + -44.75x + x2 = 545.640625

Factor a perfect square on the left side:
(x + -22.375)(x + -22.375) = 545.640625

Calculate the square root of the right side: 23.35895171

Break this problem into two subproblems by setting 
(x + -22.375) equal to 23.35895171 and -23.35895171.

Subproblem 1

x + -22.375 = 23.35895171 Simplifying x + -22.375 = 23.35895171 Reorder the terms: -22.375 + x = 23.35895171 Solving -22.375 + x = 23.35895171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.375' to each side of the equation. -22.375 + 22.375 + x = 23.35895171 + 22.375 Combine like terms: -22.375 + 22.375 = 0.000 0.000 + x = 23.35895171 + 22.375 x = 23.35895171 + 22.375 Combine like terms: 23.35895171 + 22.375 = 45.73395171 x = 45.73395171 Simplifying x = 45.73395171

Subproblem 2

x + -22.375 = -23.35895171 Simplifying x + -22.375 = -23.35895171 Reorder the terms: -22.375 + x = -23.35895171 Solving -22.375 + x = -23.35895171 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.375' to each side of the equation. -22.375 + 22.375 + x = -23.35895171 + 22.375 Combine like terms: -22.375 + 22.375 = 0.000 0.000 + x = -23.35895171 + 22.375 x = -23.35895171 + 22.375 Combine like terms: -23.35895171 + 22.375 = -0.98395171 x = -0.98395171 Simplifying x = -0.98395171

Solution

The solution to the problem is based on the solutions from the subproblems. x = {45.73395171, -0.98395171}

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