6x^2+0.1x=0.09

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Solution for 6x^2+0.1x=0.09 equation:


Simplifying
6x2 + 0.1x = 0.09

Reorder the terms:
0.1x + 6x2 = 0.09

Solving
0.1x + 6x2 = 0.09

Solving for variable 'x'.

Reorder the terms:
-0.09 + 0.1x + 6x2 = 0.09 + -0.09

Combine like terms: 0.09 + -0.09 = 0.00
-0.09 + 0.1x + 6x2 = 0.00

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

Divide each side by '6'.
-0.015 + 0.01666666667x + x2 = 0.00

Move the constant term to the right:

Add '0.015' to each side of the equation.
-0.015 + 0.01666666667x + 0.015 + x2 = 0.00 + 0.015

Reorder the terms:
-0.015 + 0.015 + 0.01666666667x + x2 = 0.00 + 0.015

Combine like terms: -0.015 + 0.015 = 0.000
0.000 + 0.01666666667x + x2 = 0.00 + 0.015
0.01666666667x + x2 = 0.00 + 0.015

Combine like terms: 0.00 + 0.015 = 0.015
0.01666666667x + x2 = 0.015

The x term is 0.01666666667x.  Take half its coefficient (0.008333333335).
Square it (0.00006944444447) and add it to both sides.

Add '0.00006944444447' to each side of the equation.
0.01666666667x + 0.00006944444447 + x2 = 0.015 + 0.00006944444447

Reorder the terms:
0.00006944444447 + 0.01666666667x + x2 = 0.015 + 0.00006944444447

Combine like terms: 0.015 + 0.00006944444447 = 0.01506944444447
0.00006944444447 + 0.01666666667x + x2 = 0.01506944444447

Factor a perfect square on the left side:
(x + 0.008333333335)(x + 0.008333333335) = 0.01506944444447

Calculate the square root of the right side: 0.122757666

Break this problem into two subproblems by setting 
(x + 0.008333333335) equal to 0.122757666 and -0.122757666.

Subproblem 1

x + 0.008333333335 = 0.122757666 Simplifying x + 0.008333333335 = 0.122757666 Reorder the terms: 0.008333333335 + x = 0.122757666 Solving 0.008333333335 + x = 0.122757666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.008333333335' to each side of the equation. 0.008333333335 + -0.008333333335 + x = 0.122757666 + -0.008333333335 Combine like terms: 0.008333333335 + -0.008333333335 = 0.000000000000 0.000000000000 + x = 0.122757666 + -0.008333333335 x = 0.122757666 + -0.008333333335 Combine like terms: 0.122757666 + -0.008333333335 = 0.114424332665 x = 0.114424332665 Simplifying x = 0.114424332665

Subproblem 2

x + 0.008333333335 = -0.122757666 Simplifying x + 0.008333333335 = -0.122757666 Reorder the terms: 0.008333333335 + x = -0.122757666 Solving 0.008333333335 + x = -0.122757666 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.008333333335' to each side of the equation. 0.008333333335 + -0.008333333335 + x = -0.122757666 + -0.008333333335 Combine like terms: 0.008333333335 + -0.008333333335 = 0.000000000000 0.000000000000 + x = -0.122757666 + -0.008333333335 x = -0.122757666 + -0.008333333335 Combine like terms: -0.122757666 + -0.008333333335 = -0.131090999335 x = -0.131090999335 Simplifying x = -0.131090999335

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.114424332665, -0.131090999335}

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