5x^2-59x+160=0

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Solution for 5x^2-59x+160=0 equation:


Simplifying
5x2 + -59x + 160 = 0

Reorder the terms:
160 + -59x + 5x2 = 0

Solving
160 + -59x + 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'.
32 + -11.8x + x2 = 0

Move the constant term to the right:

Add '-32' to each side of the equation.
32 + -11.8x + -32 + x2 = 0 + -32

Reorder the terms:
32 + -32 + -11.8x + x2 = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -11.8x + x2 = 0 + -32
-11.8x + x2 = 0 + -32

Combine like terms: 0 + -32 = -32
-11.8x + x2 = -32

The x term is -11.8x.  Take half its coefficient (-5.9).
Square it (34.81) and add it to both sides.

Add '34.81' to each side of the equation.
-11.8x + 34.81 + x2 = -32 + 34.81

Reorder the terms:
34.81 + -11.8x + x2 = -32 + 34.81

Combine like terms: -32 + 34.81 = 2.81
34.81 + -11.8x + x2 = 2.81

Factor a perfect square on the left side:
(x + -5.9)(x + -5.9) = 2.81

Calculate the square root of the right side: 1.676305461

Break this problem into two subproblems by setting 
(x + -5.9) equal to 1.676305461 and -1.676305461.

Subproblem 1

x + -5.9 = 1.676305461 Simplifying x + -5.9 = 1.676305461 Reorder the terms: -5.9 + x = 1.676305461 Solving -5.9 + x = 1.676305461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.9' to each side of the equation. -5.9 + 5.9 + x = 1.676305461 + 5.9 Combine like terms: -5.9 + 5.9 = 0.0 0.0 + x = 1.676305461 + 5.9 x = 1.676305461 + 5.9 Combine like terms: 1.676305461 + 5.9 = 7.576305461 x = 7.576305461 Simplifying x = 7.576305461

Subproblem 2

x + -5.9 = -1.676305461 Simplifying x + -5.9 = -1.676305461 Reorder the terms: -5.9 + x = -1.676305461 Solving -5.9 + x = -1.676305461 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.9' to each side of the equation. -5.9 + 5.9 + x = -1.676305461 + 5.9 Combine like terms: -5.9 + 5.9 = 0.0 0.0 + x = -1.676305461 + 5.9 x = -1.676305461 + 5.9 Combine like terms: -1.676305461 + 5.9 = 4.223694539 x = 4.223694539 Simplifying x = 4.223694539

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.576305461, 4.223694539}

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