8x^2-441x+60=0

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Solution for 8x^2-441x+60=0 equation:


Simplifying
8x2 + -441x + 60 = 0

Reorder the terms:
60 + -441x + 8x2 = 0

Solving
60 + -441x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
7.5 + -55.125x + x2 = 0

Move the constant term to the right:

Add '-7.5' to each side of the equation.
7.5 + -55.125x + -7.5 + x2 = 0 + -7.5

Reorder the terms:
7.5 + -7.5 + -55.125x + x2 = 0 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + -55.125x + x2 = 0 + -7.5
-55.125x + x2 = 0 + -7.5

Combine like terms: 0 + -7.5 = -7.5
-55.125x + x2 = -7.5

The x term is -55.125x.  Take half its coefficient (-27.5625).
Square it (759.6914063) and add it to both sides.

Add '759.6914063' to each side of the equation.
-55.125x + 759.6914063 + x2 = -7.5 + 759.6914063

Reorder the terms:
759.6914063 + -55.125x + x2 = -7.5 + 759.6914063

Combine like terms: -7.5 + 759.6914063 = 752.1914063
759.6914063 + -55.125x + x2 = 752.1914063

Factor a perfect square on the left side:
(x + -27.5625)(x + -27.5625) = 752.1914063

Calculate the square root of the right side: 27.426108114

Break this problem into two subproblems by setting 
(x + -27.5625) equal to 27.426108114 and -27.426108114.

Subproblem 1

x + -27.5625 = 27.426108114 Simplifying x + -27.5625 = 27.426108114 Reorder the terms: -27.5625 + x = 27.426108114 Solving -27.5625 + x = 27.426108114 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27.5625' to each side of the equation. -27.5625 + 27.5625 + x = 27.426108114 + 27.5625 Combine like terms: -27.5625 + 27.5625 = 0.0000 0.0000 + x = 27.426108114 + 27.5625 x = 27.426108114 + 27.5625 Combine like terms: 27.426108114 + 27.5625 = 54.988608114 x = 54.988608114 Simplifying x = 54.988608114

Subproblem 2

x + -27.5625 = -27.426108114 Simplifying x + -27.5625 = -27.426108114 Reorder the terms: -27.5625 + x = -27.426108114 Solving -27.5625 + x = -27.426108114 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27.5625' to each side of the equation. -27.5625 + 27.5625 + x = -27.426108114 + 27.5625 Combine like terms: -27.5625 + 27.5625 = 0.0000 0.0000 + x = -27.426108114 + 27.5625 x = -27.426108114 + 27.5625 Combine like terms: -27.426108114 + 27.5625 = 0.136391886 x = 0.136391886 Simplifying x = 0.136391886

Solution

The solution to the problem is based on the solutions from the subproblems. x = {54.988608114, 0.136391886}

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