5x^2+52x-48=0

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Solution for 5x^2+52x-48=0 equation:


Simplifying
5x2 + 52x + -48 = 0

Reorder the terms:
-48 + 52x + 5x2 = 0

Solving
-48 + 52x + 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'.
-9.6 + 10.4x + x2 = 0

Move the constant term to the right:

Add '9.6' to each side of the equation.
-9.6 + 10.4x + 9.6 + x2 = 0 + 9.6

Reorder the terms:
-9.6 + 9.6 + 10.4x + x2 = 0 + 9.6

Combine like terms: -9.6 + 9.6 = 0.0
0.0 + 10.4x + x2 = 0 + 9.6
10.4x + x2 = 0 + 9.6

Combine like terms: 0 + 9.6 = 9.6
10.4x + x2 = 9.6

The x term is 10.4x.  Take half its coefficient (5.2).
Square it (27.04) and add it to both sides.

Add '27.04' to each side of the equation.
10.4x + 27.04 + x2 = 9.6 + 27.04

Reorder the terms:
27.04 + 10.4x + x2 = 9.6 + 27.04

Combine like terms: 9.6 + 27.04 = 36.64
27.04 + 10.4x + x2 = 36.64

Factor a perfect square on the left side:
(x + 5.2)(x + 5.2) = 36.64

Calculate the square root of the right side: 6.05309838

Break this problem into two subproblems by setting 
(x + 5.2) equal to 6.05309838 and -6.05309838.

Subproblem 1

x + 5.2 = 6.05309838 Simplifying x + 5.2 = 6.05309838 Reorder the terms: 5.2 + x = 6.05309838 Solving 5.2 + x = 6.05309838 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.2' to each side of the equation. 5.2 + -5.2 + x = 6.05309838 + -5.2 Combine like terms: 5.2 + -5.2 = 0.0 0.0 + x = 6.05309838 + -5.2 x = 6.05309838 + -5.2 Combine like terms: 6.05309838 + -5.2 = 0.85309838 x = 0.85309838 Simplifying x = 0.85309838

Subproblem 2

x + 5.2 = -6.05309838 Simplifying x + 5.2 = -6.05309838 Reorder the terms: 5.2 + x = -6.05309838 Solving 5.2 + x = -6.05309838 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.2' to each side of the equation. 5.2 + -5.2 + x = -6.05309838 + -5.2 Combine like terms: 5.2 + -5.2 = 0.0 0.0 + x = -6.05309838 + -5.2 x = -6.05309838 + -5.2 Combine like terms: -6.05309838 + -5.2 = -11.25309838 x = -11.25309838 Simplifying x = -11.25309838

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.85309838, -11.25309838}

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