9x^2-46x+48=0

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Solution for 9x^2-46x+48=0 equation:


Simplifying
9x2 + -46x + 48 = 0

Reorder the terms:
48 + -46x + 9x2 = 0

Solving
48 + -46x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
5.333333333 + -5.111111111x + x2 = 0

Move the constant term to the right:

Add '-5.333333333' to each side of the equation.
5.333333333 + -5.111111111x + -5.333333333 + x2 = 0 + -5.333333333

Reorder the terms:
5.333333333 + -5.333333333 + -5.111111111x + x2 = 0 + -5.333333333

Combine like terms: 5.333333333 + -5.333333333 = 0.000000000
0.000000000 + -5.111111111x + x2 = 0 + -5.333333333
-5.111111111x + x2 = 0 + -5.333333333

Combine like terms: 0 + -5.333333333 = -5.333333333
-5.111111111x + x2 = -5.333333333

The x term is -5.111111111x.  Take half its coefficient (-2.555555556).
Square it (6.530864200) and add it to both sides.

Add '6.530864200' to each side of the equation.
-5.111111111x + 6.530864200 + x2 = -5.333333333 + 6.530864200

Reorder the terms:
6.530864200 + -5.111111111x + x2 = -5.333333333 + 6.530864200

Combine like terms: -5.333333333 + 6.530864200 = 1.197530867
6.530864200 + -5.111111111x + x2 = 1.197530867

Factor a perfect square on the left side:
(x + -2.555555556)(x + -2.555555556) = 1.197530867

Calculate the square root of the right side: 1.094317535

Break this problem into two subproblems by setting 
(x + -2.555555556) equal to 1.094317535 and -1.094317535.

Subproblem 1

x + -2.555555556 = 1.094317535 Simplifying x + -2.555555556 = 1.094317535 Reorder the terms: -2.555555556 + x = 1.094317535 Solving -2.555555556 + x = 1.094317535 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.555555556' to each side of the equation. -2.555555556 + 2.555555556 + x = 1.094317535 + 2.555555556 Combine like terms: -2.555555556 + 2.555555556 = 0.000000000 0.000000000 + x = 1.094317535 + 2.555555556 x = 1.094317535 + 2.555555556 Combine like terms: 1.094317535 + 2.555555556 = 3.649873091 x = 3.649873091 Simplifying x = 3.649873091

Subproblem 2

x + -2.555555556 = -1.094317535 Simplifying x + -2.555555556 = -1.094317535 Reorder the terms: -2.555555556 + x = -1.094317535 Solving -2.555555556 + x = -1.094317535 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.555555556' to each side of the equation. -2.555555556 + 2.555555556 + x = -1.094317535 + 2.555555556 Combine like terms: -2.555555556 + 2.555555556 = 0.000000000 0.000000000 + x = -1.094317535 + 2.555555556 x = -1.094317535 + 2.555555556 Combine like terms: -1.094317535 + 2.555555556 = 1.461238021 x = 1.461238021 Simplifying x = 1.461238021

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.649873091, 1.461238021}

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