5x^2-55x-24=

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Solution for 5x^2-55x-24= equation:


Simplifying
5x2 + -55x + -24 = 0

Reorder the terms:
-24 + -55x + 5x2 = 0

Solving
-24 + -55x + 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'.
-4.8 + -11x + x2 = 0

Move the constant term to the right:

Add '4.8' to each side of the equation.
-4.8 + -11x + 4.8 + x2 = 0 + 4.8

Reorder the terms:
-4.8 + 4.8 + -11x + x2 = 0 + 4.8

Combine like terms: -4.8 + 4.8 = 0.0
0.0 + -11x + x2 = 0 + 4.8
-11x + x2 = 0 + 4.8

Combine like terms: 0 + 4.8 = 4.8
-11x + x2 = 4.8

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = 4.8 + 30.25

Reorder the terms:
30.25 + -11x + x2 = 4.8 + 30.25

Combine like terms: 4.8 + 30.25 = 35.05
30.25 + -11x + x2 = 35.05

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 35.05

Calculate the square root of the right side: 5.920304046

Break this problem into two subproblems by setting 
(x + -5.5) equal to 5.920304046 and -5.920304046.

Subproblem 1

x + -5.5 = 5.920304046 Simplifying x + -5.5 = 5.920304046 Reorder the terms: -5.5 + x = 5.920304046 Solving -5.5 + x = 5.920304046 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 5.920304046 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 5.920304046 + 5.5 x = 5.920304046 + 5.5 Combine like terms: 5.920304046 + 5.5 = 11.420304046 x = 11.420304046 Simplifying x = 11.420304046

Subproblem 2

x + -5.5 = -5.920304046 Simplifying x + -5.5 = -5.920304046 Reorder the terms: -5.5 + x = -5.920304046 Solving -5.5 + x = -5.920304046 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -5.920304046 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -5.920304046 + 5.5 x = -5.920304046 + 5.5 Combine like terms: -5.920304046 + 5.5 = -0.420304046 x = -0.420304046 Simplifying x = -0.420304046

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.420304046, -0.420304046}

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