30x^2-12x+1=

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Solution for 30x^2-12x+1= equation:


Simplifying
30x2 + -12x + 1 = 0

Reorder the terms:
1 + -12x + 30x2 = 0

Solving
1 + -12x + 30x2 = 0

Solving for variable 'x'.

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

Divide each side by '30'.
0.03333333333 + -0.4x + x2 = 0

Move the constant term to the right:

Add '-0.03333333333' to each side of the equation.
0.03333333333 + -0.4x + -0.03333333333 + x2 = 0 + -0.03333333333

Reorder the terms:
0.03333333333 + -0.03333333333 + -0.4x + x2 = 0 + -0.03333333333

Combine like terms: 0.03333333333 + -0.03333333333 = 0.00000000000
0.00000000000 + -0.4x + x2 = 0 + -0.03333333333
-0.4x + x2 = 0 + -0.03333333333

Combine like terms: 0 + -0.03333333333 = -0.03333333333
-0.4x + x2 = -0.03333333333

The x term is -0.4x.  Take half its coefficient (-0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
-0.4x + 0.04 + x2 = -0.03333333333 + 0.04

Reorder the terms:
0.04 + -0.4x + x2 = -0.03333333333 + 0.04

Combine like terms: -0.03333333333 + 0.04 = 0.00666666667
0.04 + -0.4x + x2 = 0.00666666667

Factor a perfect square on the left side:
(x + -0.2)(x + -0.2) = 0.00666666667

Calculate the square root of the right side: 0.081649658

Break this problem into two subproblems by setting 
(x + -0.2) equal to 0.081649658 and -0.081649658.

Subproblem 1

x + -0.2 = 0.081649658 Simplifying x + -0.2 = 0.081649658 Reorder the terms: -0.2 + x = 0.081649658 Solving -0.2 + x = 0.081649658 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + x = 0.081649658 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + x = 0.081649658 + 0.2 x = 0.081649658 + 0.2 Combine like terms: 0.081649658 + 0.2 = 0.281649658 x = 0.281649658 Simplifying x = 0.281649658

Subproblem 2

x + -0.2 = -0.081649658 Simplifying x + -0.2 = -0.081649658 Reorder the terms: -0.2 + x = -0.081649658 Solving -0.2 + x = -0.081649658 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2' to each side of the equation. -0.2 + 0.2 + x = -0.081649658 + 0.2 Combine like terms: -0.2 + 0.2 = 0.0 0.0 + x = -0.081649658 + 0.2 x = -0.081649658 + 0.2 Combine like terms: -0.081649658 + 0.2 = 0.118350342 x = 0.118350342 Simplifying x = 0.118350342

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.281649658, 0.118350342}

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