112.5x^2-17.64x-22.05=0

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Solution for 112.5x^2-17.64x-22.05=0 equation:


Simplifying
112.5x2 + -17.64x + -22.05 = 0

Reorder the terms:
-22.05 + -17.64x + 112.5x2 = 0

Solving
-22.05 + -17.64x + 112.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '112.5'.
-0.196 + -0.1568x + x2 = 0

Move the constant term to the right:

Add '0.196' to each side of the equation.
-0.196 + -0.1568x + 0.196 + x2 = 0 + 0.196

Reorder the terms:
-0.196 + 0.196 + -0.1568x + x2 = 0 + 0.196

Combine like terms: -0.196 + 0.196 = 0.000
0.000 + -0.1568x + x2 = 0 + 0.196
-0.1568x + x2 = 0 + 0.196

Combine like terms: 0 + 0.196 = 0.196
-0.1568x + x2 = 0.196

The x term is -0.1568x.  Take half its coefficient (-0.0784).
Square it (0.00614656) and add it to both sides.

Add '0.00614656' to each side of the equation.
-0.1568x + 0.00614656 + x2 = 0.196 + 0.00614656

Reorder the terms:
0.00614656 + -0.1568x + x2 = 0.196 + 0.00614656

Combine like terms: 0.196 + 0.00614656 = 0.20214656
0.00614656 + -0.1568x + x2 = 0.20214656

Factor a perfect square on the left side:
(x + -0.0784)(x + -0.0784) = 0.20214656

Calculate the square root of the right side: 0.449607117

Break this problem into two subproblems by setting 
(x + -0.0784) equal to 0.449607117 and -0.449607117.

Subproblem 1

x + -0.0784 = 0.449607117 Simplifying x + -0.0784 = 0.449607117 Reorder the terms: -0.0784 + x = 0.449607117 Solving -0.0784 + x = 0.449607117 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0784' to each side of the equation. -0.0784 + 0.0784 + x = 0.449607117 + 0.0784 Combine like terms: -0.0784 + 0.0784 = 0.0000 0.0000 + x = 0.449607117 + 0.0784 x = 0.449607117 + 0.0784 Combine like terms: 0.449607117 + 0.0784 = 0.528007117 x = 0.528007117 Simplifying x = 0.528007117

Subproblem 2

x + -0.0784 = -0.449607117 Simplifying x + -0.0784 = -0.449607117 Reorder the terms: -0.0784 + x = -0.449607117 Solving -0.0784 + x = -0.449607117 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0784' to each side of the equation. -0.0784 + 0.0784 + x = -0.449607117 + 0.0784 Combine like terms: -0.0784 + 0.0784 = 0.0000 0.0000 + x = -0.449607117 + 0.0784 x = -0.449607117 + 0.0784 Combine like terms: -0.449607117 + 0.0784 = -0.371207117 x = -0.371207117 Simplifying x = -0.371207117

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.528007117, -0.371207117}

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