x*(x+.14)=.048

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Solution for x*(x+.14)=.048 equation:


Simplifying
x(x + 0.14) = 0.048

Reorder the terms:
x(0.14 + x) = 0.048
(0.14 * x + x * x) = 0.048
(0.14x + x2) = 0.048

Solving
0.14x + x2 = 0.048

Solving for variable 'x'.

Reorder the terms:
-0.048 + 0.14x + x2 = 0.048 + -0.048

Combine like terms: 0.048 + -0.048 = 0.000
-0.048 + 0.14x + x2 = 0.000

Begin completing the square.

Move the constant term to the right:

Add '0.048' to each side of the equation.
-0.048 + 0.14x + 0.048 + x2 = 0.000 + 0.048

Reorder the terms:
-0.048 + 0.048 + 0.14x + x2 = 0.000 + 0.048

Combine like terms: -0.048 + 0.048 = 0.000
0.000 + 0.14x + x2 = 0.000 + 0.048
0.14x + x2 = 0.000 + 0.048

Combine like terms: 0.000 + 0.048 = 0.048
0.14x + x2 = 0.048

The x term is 0.14x.  Take half its coefficient (0.07).
Square it (0.0049) and add it to both sides.

Add '0.0049' to each side of the equation.
0.14x + 0.0049 + x2 = 0.048 + 0.0049

Reorder the terms:
0.0049 + 0.14x + x2 = 0.048 + 0.0049

Combine like terms: 0.048 + 0.0049 = 0.0529
0.0049 + 0.14x + x2 = 0.0529

Factor a perfect square on the left side:
(x + 0.07)(x + 0.07) = 0.0529

Calculate the square root of the right side: 0.23

Break this problem into two subproblems by setting 
(x + 0.07) equal to 0.23 and -0.23.

Subproblem 1

x + 0.07 = 0.23 Simplifying x + 0.07 = 0.23 Reorder the terms: 0.07 + x = 0.23 Solving 0.07 + x = 0.23 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.07' to each side of the equation. 0.07 + -0.07 + x = 0.23 + -0.07 Combine like terms: 0.07 + -0.07 = 0.00 0.00 + x = 0.23 + -0.07 x = 0.23 + -0.07 Combine like terms: 0.23 + -0.07 = 0.16 x = 0.16 Simplifying x = 0.16

Subproblem 2

x + 0.07 = -0.23 Simplifying x + 0.07 = -0.23 Reorder the terms: 0.07 + x = -0.23 Solving 0.07 + x = -0.23 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.07' to each side of the equation. 0.07 + -0.07 + x = -0.23 + -0.07 Combine like terms: 0.07 + -0.07 = 0.00 0.00 + x = -0.23 + -0.07 x = -0.23 + -0.07 Combine like terms: -0.23 + -0.07 = -0.3 x = -0.3 Simplifying x = -0.3

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.16, -0.3}

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