4x^2-48x+141=0

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Solution for 4x^2-48x+141=0 equation:


Simplifying
4x2 + -48x + 141 = 0

Reorder the terms:
141 + -48x + 4x2 = 0

Solving
141 + -48x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
35.25 + -12x + x2 = 0

Move the constant term to the right:

Add '-35.25' to each side of the equation.
35.25 + -12x + -35.25 + x2 = 0 + -35.25

Reorder the terms:
35.25 + -35.25 + -12x + x2 = 0 + -35.25

Combine like terms: 35.25 + -35.25 = 0.00
0.00 + -12x + x2 = 0 + -35.25
-12x + x2 = 0 + -35.25

Combine like terms: 0 + -35.25 = -35.25
-12x + x2 = -35.25

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -35.25 + 36

Reorder the terms:
36 + -12x + x2 = -35.25 + 36

Combine like terms: -35.25 + 36 = 0.75
36 + -12x + x2 = 0.75

Factor a perfect square on the left side:
(x + -6)(x + -6) = 0.75

Calculate the square root of the right side: 0.866025404

Break this problem into two subproblems by setting 
(x + -6) equal to 0.866025404 and -0.866025404.

Subproblem 1

x + -6 = 0.866025404 Simplifying x + -6 = 0.866025404 Reorder the terms: -6 + x = 0.866025404 Solving -6 + x = 0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0.866025404 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0.866025404 + 6 x = 0.866025404 + 6 Combine like terms: 0.866025404 + 6 = 6.866025404 x = 6.866025404 Simplifying x = 6.866025404

Subproblem 2

x + -6 = -0.866025404 Simplifying x + -6 = -0.866025404 Reorder the terms: -6 + x = -0.866025404 Solving -6 + x = -0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -0.866025404 + 6 Combine like terms: -6 + 6 = 0 0 + x = -0.866025404 + 6 x = -0.866025404 + 6 Combine like terms: -0.866025404 + 6 = 5.133974596 x = 5.133974596 Simplifying x = 5.133974596

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.866025404, 5.133974596}

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