5x^2+570x-36=0

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Solution for 5x^2+570x-36=0 equation:


Simplifying
5x2 + 570x + -36 = 0

Reorder the terms:
-36 + 570x + 5x2 = 0

Solving
-36 + 570x + 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'.
-7.2 + 114x + x2 = 0

Move the constant term to the right:

Add '7.2' to each side of the equation.
-7.2 + 114x + 7.2 + x2 = 0 + 7.2

Reorder the terms:
-7.2 + 7.2 + 114x + x2 = 0 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 114x + x2 = 0 + 7.2
114x + x2 = 0 + 7.2

Combine like terms: 0 + 7.2 = 7.2
114x + x2 = 7.2

The x term is 114x.  Take half its coefficient (57).
Square it (3249) and add it to both sides.

Add '3249' to each side of the equation.
114x + 3249 + x2 = 7.2 + 3249

Reorder the terms:
3249 + 114x + x2 = 7.2 + 3249

Combine like terms: 7.2 + 3249 = 3256.2
3249 + 114x + x2 = 3256.2

Factor a perfect square on the left side:
(x + 57)(x + 57) = 3256.2

Calculate the square root of the right side: 57.063122943

Break this problem into two subproblems by setting 
(x + 57) equal to 57.063122943 and -57.063122943.

Subproblem 1

x + 57 = 57.063122943 Simplifying x + 57 = 57.063122943 Reorder the terms: 57 + x = 57.063122943 Solving 57 + x = 57.063122943 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-57' to each side of the equation. 57 + -57 + x = 57.063122943 + -57 Combine like terms: 57 + -57 = 0 0 + x = 57.063122943 + -57 x = 57.063122943 + -57 Combine like terms: 57.063122943 + -57 = 0.063122943 x = 0.063122943 Simplifying x = 0.063122943

Subproblem 2

x + 57 = -57.063122943 Simplifying x + 57 = -57.063122943 Reorder the terms: 57 + x = -57.063122943 Solving 57 + x = -57.063122943 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-57' to each side of the equation. 57 + -57 + x = -57.063122943 + -57 Combine like terms: 57 + -57 = 0 0 + x = -57.063122943 + -57 x = -57.063122943 + -57 Combine like terms: -57.063122943 + -57 = -114.063122943 x = -114.063122943 Simplifying x = -114.063122943

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.063122943, -114.063122943}

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