x^2-4.8x+5.2=0

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Solution for x^2-4.8x+5.2=0 equation:


Simplifying
x2 + -4.8x + 5.2 = 0

Reorder the terms:
5.2 + -4.8x + x2 = 0

Solving
5.2 + -4.8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-5.2' to each side of the equation.
5.2 + -4.8x + -5.2 + x2 = 0 + -5.2

Reorder the terms:
5.2 + -5.2 + -4.8x + x2 = 0 + -5.2

Combine like terms: 5.2 + -5.2 = 0.0
0.0 + -4.8x + x2 = 0 + -5.2
-4.8x + x2 = 0 + -5.2

Combine like terms: 0 + -5.2 = -5.2
-4.8x + x2 = -5.2

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 = -5.2 + 5.76

Reorder the terms:
5.76 + -4.8x + x2 = -5.2 + 5.76

Combine like terms: -5.2 + 5.76 = 0.56
5.76 + -4.8x + x2 = 0.56

Factor a perfect square on the left side:
(x + -2.4)(x + -2.4) = 0.56

Calculate the square root of the right side: 0.748331477

Break this problem into two subproblems by setting 
(x + -2.4) equal to 0.748331477 and -0.748331477.

Subproblem 1

x + -2.4 = 0.748331477 Simplifying x + -2.4 = 0.748331477 Reorder the terms: -2.4 + x = 0.748331477 Solving -2.4 + x = 0.748331477 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 = 0.748331477 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 0.748331477 + 2.4 x = 0.748331477 + 2.4 Combine like terms: 0.748331477 + 2.4 = 3.148331477 x = 3.148331477 Simplifying x = 3.148331477

Subproblem 2

x + -2.4 = -0.748331477 Simplifying x + -2.4 = -0.748331477 Reorder the terms: -2.4 + x = -0.748331477 Solving -2.4 + x = -0.748331477 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 = -0.748331477 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -0.748331477 + 2.4 x = -0.748331477 + 2.4 Combine like terms: -0.748331477 + 2.4 = 1.651668523 x = 1.651668523 Simplifying x = 1.651668523

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.148331477, 1.651668523}

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