5x^2-152x-983=0

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Solution for 5x^2-152x-983=0 equation:


Simplifying
5x2 + -152x + -983 = 0

Reorder the terms:
-983 + -152x + 5x2 = 0

Solving
-983 + -152x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-196.6 + -30.4x + x2 = 0

Move the constant term to the right:

Add '196.6' to each side of the equation.
-196.6 + -30.4x + 196.6 + x2 = 0 + 196.6

Reorder the terms:
-196.6 + 196.6 + -30.4x + x2 = 0 + 196.6

Combine like terms: -196.6 + 196.6 = 0.0
0.0 + -30.4x + x2 = 0 + 196.6
-30.4x + x2 = 0 + 196.6

Combine like terms: 0 + 196.6 = 196.6
-30.4x + x2 = 196.6

The x term is -30.4x.  Take half its coefficient (-15.2).
Square it (231.04) and add it to both sides.

Add '231.04' to each side of the equation.
-30.4x + 231.04 + x2 = 196.6 + 231.04

Reorder the terms:
231.04 + -30.4x + x2 = 196.6 + 231.04

Combine like terms: 196.6 + 231.04 = 427.64
231.04 + -30.4x + x2 = 427.64

Factor a perfect square on the left side:
(x + -15.2)(x + -15.2) = 427.64

Calculate the square root of the right side: 20.679458407

Break this problem into two subproblems by setting 
(x + -15.2) equal to 20.679458407 and -20.679458407.

Subproblem 1

x + -15.2 = 20.679458407 Simplifying x + -15.2 = 20.679458407 Reorder the terms: -15.2 + x = 20.679458407 Solving -15.2 + x = 20.679458407 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15.2' to each side of the equation. -15.2 + 15.2 + x = 20.679458407 + 15.2 Combine like terms: -15.2 + 15.2 = 0.0 0.0 + x = 20.679458407 + 15.2 x = 20.679458407 + 15.2 Combine like terms: 20.679458407 + 15.2 = 35.879458407 x = 35.879458407 Simplifying x = 35.879458407

Subproblem 2

x + -15.2 = -20.679458407 Simplifying x + -15.2 = -20.679458407 Reorder the terms: -15.2 + x = -20.679458407 Solving -15.2 + x = -20.679458407 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '15.2' to each side of the equation. -15.2 + 15.2 + x = -20.679458407 + 15.2 Combine like terms: -15.2 + 15.2 = 0.0 0.0 + x = -20.679458407 + 15.2 x = -20.679458407 + 15.2 Combine like terms: -20.679458407 + 15.2 = -5.479458407 x = -5.479458407 Simplifying x = -5.479458407

Solution

The solution to the problem is based on the solutions from the subproblems. x = {35.879458407, -5.479458407}

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