11x^2-30x+2=0

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Solution for 11x^2-30x+2=0 equation:


Simplifying
11x2 + -30x + 2 = 0

Reorder the terms:
2 + -30x + 11x2 = 0

Solving
2 + -30x + 11x2 = 0

Solving for variable 'x'.

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

Divide each side by '11'.
0.1818181818 + -2.727272727x + x2 = 0

Move the constant term to the right:

Add '-0.1818181818' to each side of the equation.
0.1818181818 + -2.727272727x + -0.1818181818 + x2 = 0 + -0.1818181818

Reorder the terms:
0.1818181818 + -0.1818181818 + -2.727272727x + x2 = 0 + -0.1818181818

Combine like terms: 0.1818181818 + -0.1818181818 = 0.0000000000
0.0000000000 + -2.727272727x + x2 = 0 + -0.1818181818
-2.727272727x + x2 = 0 + -0.1818181818

Combine like terms: 0 + -0.1818181818 = -0.1818181818
-2.727272727x + x2 = -0.1818181818

The x term is -2.727272727x.  Take half its coefficient (-1.363636364).
Square it (1.859504133) and add it to both sides.

Add '1.859504133' to each side of the equation.
-2.727272727x + 1.859504133 + x2 = -0.1818181818 + 1.859504133

Reorder the terms:
1.859504133 + -2.727272727x + x2 = -0.1818181818 + 1.859504133

Combine like terms: -0.1818181818 + 1.859504133 = 1.6776859512
1.859504133 + -2.727272727x + x2 = 1.6776859512

Factor a perfect square on the left side:
(x + -1.363636364)(x + -1.363636364) = 1.6776859512

Calculate the square root of the right side: 1.295255168

Break this problem into two subproblems by setting 
(x + -1.363636364) equal to 1.295255168 and -1.295255168.

Subproblem 1

x + -1.363636364 = 1.295255168 Simplifying x + -1.363636364 = 1.295255168 Reorder the terms: -1.363636364 + x = 1.295255168 Solving -1.363636364 + x = 1.295255168 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.363636364' to each side of the equation. -1.363636364 + 1.363636364 + x = 1.295255168 + 1.363636364 Combine like terms: -1.363636364 + 1.363636364 = 0.000000000 0.000000000 + x = 1.295255168 + 1.363636364 x = 1.295255168 + 1.363636364 Combine like terms: 1.295255168 + 1.363636364 = 2.658891532 x = 2.658891532 Simplifying x = 2.658891532

Subproblem 2

x + -1.363636364 = -1.295255168 Simplifying x + -1.363636364 = -1.295255168 Reorder the terms: -1.363636364 + x = -1.295255168 Solving -1.363636364 + x = -1.295255168 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.363636364' to each side of the equation. -1.363636364 + 1.363636364 + x = -1.295255168 + 1.363636364 Combine like terms: -1.363636364 + 1.363636364 = 0.000000000 0.000000000 + x = -1.295255168 + 1.363636364 x = -1.295255168 + 1.363636364 Combine like terms: -1.295255168 + 1.363636364 = 0.068381196 x = 0.068381196 Simplifying x = 0.068381196

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.658891532, 0.068381196}

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