10x^2-48x+55=0

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Solution for 10x^2-48x+55=0 equation:


Simplifying
10x2 + -48x + 55 = 0

Reorder the terms:
55 + -48x + 10x2 = 0

Solving
55 + -48x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
5.5 + -4.8x + x2 = 0

Move the constant term to the right:

Add '-5.5' to each side of the equation.
5.5 + -4.8x + -5.5 + x2 = 0 + -5.5

Reorder the terms:
5.5 + -5.5 + -4.8x + x2 = 0 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -4.8x + x2 = 0 + -5.5
-4.8x + x2 = 0 + -5.5

Combine like terms: 0 + -5.5 = -5.5
-4.8x + x2 = -5.5

The x term is -4.8x.  Take half its coefficient (-2.4).
Square it (5.76) and add it to both sides.

Add '5.76' to each side of the equation.
-4.8x + 5.76 + x2 = -5.5 + 5.76

Reorder the terms:
5.76 + -4.8x + x2 = -5.5 + 5.76

Combine like terms: -5.5 + 5.76 = 0.26
5.76 + -4.8x + x2 = 0.26

Factor a perfect square on the left side:
(x + -2.4)(x + -2.4) = 0.26

Calculate the square root of the right side: 0.509901951

Break this problem into two subproblems by setting 
(x + -2.4) equal to 0.509901951 and -0.509901951.

Subproblem 1

x + -2.4 = 0.509901951 Simplifying x + -2.4 = 0.509901951 Reorder the terms: -2.4 + x = 0.509901951 Solving -2.4 + x = 0.509901951 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = 0.509901951 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 0.509901951 + 2.4 x = 0.509901951 + 2.4 Combine like terms: 0.509901951 + 2.4 = 2.909901951 x = 2.909901951 Simplifying x = 2.909901951

Subproblem 2

x + -2.4 = -0.509901951 Simplifying x + -2.4 = -0.509901951 Reorder the terms: -2.4 + x = -0.509901951 Solving -2.4 + x = -0.509901951 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4' to each side of the equation. -2.4 + 2.4 + x = -0.509901951 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -0.509901951 + 2.4 x = -0.509901951 + 2.4 Combine like terms: -0.509901951 + 2.4 = 1.890098049 x = 1.890098049 Simplifying x = 1.890098049

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.909901951, 1.890098049}

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