x^2-4.8x+2=0

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


Simplifying
x2 + -4.8x + 2 = 0

Reorder the terms:
2 + -4.8x + x2 = 0

Solving
2 + -4.8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -4.8x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -4.8x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -4.8x + x2 = 0 + -2
-4.8x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-4.8x + x2 = -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 = -2 + 5.76

Reorder the terms:
5.76 + -4.8x + x2 = -2 + 5.76

Combine like terms: -2 + 5.76 = 3.76
5.76 + -4.8x + x2 = 3.76

Factor a perfect square on the left side:
(x + -2.4)(x + -2.4) = 3.76

Calculate the square root of the right side: 1.939071943

Break this problem into two subproblems by setting 
(x + -2.4) equal to 1.939071943 and -1.939071943.

Subproblem 1

x + -2.4 = 1.939071943 Simplifying x + -2.4 = 1.939071943 Reorder the terms: -2.4 + x = 1.939071943 Solving -2.4 + x = 1.939071943 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 = 1.939071943 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = 1.939071943 + 2.4 x = 1.939071943 + 2.4 Combine like terms: 1.939071943 + 2.4 = 4.339071943 x = 4.339071943 Simplifying x = 4.339071943

Subproblem 2

x + -2.4 = -1.939071943 Simplifying x + -2.4 = -1.939071943 Reorder the terms: -2.4 + x = -1.939071943 Solving -2.4 + x = -1.939071943 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 = -1.939071943 + 2.4 Combine like terms: -2.4 + 2.4 = 0.0 0.0 + x = -1.939071943 + 2.4 x = -1.939071943 + 2.4 Combine like terms: -1.939071943 + 2.4 = 0.460928057 x = 0.460928057 Simplifying x = 0.460928057

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.339071943, 0.460928057}

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