4x^2-27x+22=0

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Solution for 4x^2-27x+22=0 equation:


Simplifying
4x2 + -27x + 22 = 0

Reorder the terms:
22 + -27x + 4x2 = 0

Solving
22 + -27x + 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'.
5.5 + -6.75x + x2 = 0

Move the constant term to the right:

Add '-5.5' to each side of the equation.
5.5 + -6.75x + -5.5 + x2 = 0 + -5.5

Reorder the terms:
5.5 + -5.5 + -6.75x + x2 = 0 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -6.75x + x2 = 0 + -5.5
-6.75x + x2 = 0 + -5.5

Combine like terms: 0 + -5.5 = -5.5
-6.75x + x2 = -5.5

The x term is -6.75x.  Take half its coefficient (-3.375).
Square it (11.390625) and add it to both sides.

Add '11.390625' to each side of the equation.
-6.75x + 11.390625 + x2 = -5.5 + 11.390625

Reorder the terms:
11.390625 + -6.75x + x2 = -5.5 + 11.390625

Combine like terms: -5.5 + 11.390625 = 5.890625
11.390625 + -6.75x + x2 = 5.890625

Factor a perfect square on the left side:
(x + -3.375)(x + -3.375) = 5.890625

Calculate the square root of the right side: 2.42706098

Break this problem into two subproblems by setting 
(x + -3.375) equal to 2.42706098 and -2.42706098.

Subproblem 1

x + -3.375 = 2.42706098 Simplifying x + -3.375 = 2.42706098 Reorder the terms: -3.375 + x = 2.42706098 Solving -3.375 + x = 2.42706098 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = 2.42706098 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = 2.42706098 + 3.375 x = 2.42706098 + 3.375 Combine like terms: 2.42706098 + 3.375 = 5.80206098 x = 5.80206098 Simplifying x = 5.80206098

Subproblem 2

x + -3.375 = -2.42706098 Simplifying x + -3.375 = -2.42706098 Reorder the terms: -3.375 + x = -2.42706098 Solving -3.375 + x = -2.42706098 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = -2.42706098 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = -2.42706098 + 3.375 x = -2.42706098 + 3.375 Combine like terms: -2.42706098 + 3.375 = 0.94793902 x = 0.94793902 Simplifying x = 0.94793902

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.80206098, 0.94793902}

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