x(x+.15)=.0000000084

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Solution for x(x+.15)=.0000000084 equation:


Simplifying
x(x + 0.15) = 0.0000000084

Reorder the terms:
x(0.15 + x) = 0.0000000084
(0.15 * x + x * x) = 0.0000000084
(0.15x + x2) = 0.0000000084

Solving
0.15x + x2 = 0.0000000084

Solving for variable 'x'.

Reorder the terms:
-0.0000000084 + 0.15x + x2 = 0.0000000084 + -0.0000000084

Combine like terms: 0.0000000084 + -0.0000000084 = 0.0000000000
-0.0000000084 + 0.15x + x2 = 0.0000000000

Begin completing the square.

Move the constant term to the right:

Add '0.0000000084' to each side of the equation.
-0.0000000084 + 0.15x + 0.0000000084 + x2 = 0.0000000000 + 0.0000000084

Reorder the terms:
-0.0000000084 + 0.0000000084 + 0.15x + x2 = 0.0000000000 + 0.0000000084

Combine like terms: -0.0000000084 + 0.0000000084 = 0.0000000000
0.0000000000 + 0.15x + x2 = 0.0000000000 + 0.0000000084
0.15x + x2 = 0.0000000000 + 0.0000000084

Combine like terms: 0.0000000000 + 0.0000000084 = 0.0000000084
0.15x + x2 = 0.0000000084

The x term is 0.15x.  Take half its coefficient (0.075).
Square it (0.005625) and add it to both sides.

Add '0.005625' to each side of the equation.
0.15x + 0.005625 + x2 = 0.0000000084 + 0.005625

Reorder the terms:
0.005625 + 0.15x + x2 = 0.0000000084 + 0.005625

Combine like terms: 0.0000000084 + 0.005625 = 0.0056250084
0.005625 + 0.15x + x2 = 0.0056250084

Factor a perfect square on the left side:
(x + 0.075)(x + 0.075) = 0.0056250084

Calculate the square root of the right side: 0.075000056

Break this problem into two subproblems by setting 
(x + 0.075) equal to 0.075000056 and -0.075000056.

Subproblem 1

x + 0.075 = 0.075000056 Simplifying x + 0.075 = 0.075000056 Reorder the terms: 0.075 + x = 0.075000056 Solving 0.075 + x = 0.075000056 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.075' to each side of the equation. 0.075 + -0.075 + x = 0.075000056 + -0.075 Combine like terms: 0.075 + -0.075 = 0.000 0.000 + x = 0.075000056 + -0.075 x = 0.075000056 + -0.075 Combine like terms: 0.075000056 + -0.075 = 0.000000056 x = 0.000000056 Simplifying x = 0.000000056

Subproblem 2

x + 0.075 = -0.075000056 Simplifying x + 0.075 = -0.075000056 Reorder the terms: 0.075 + x = -0.075000056 Solving 0.075 + x = -0.075000056 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.075' to each side of the equation. 0.075 + -0.075 + x = -0.075000056 + -0.075 Combine like terms: 0.075 + -0.075 = 0.000 0.000 + x = -0.075000056 + -0.075 x = -0.075000056 + -0.075 Combine like terms: -0.075000056 + -0.075 = -0.150000056 x = -0.150000056 Simplifying x = -0.150000056

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.000000056, -0.150000056}

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