x^2+0.6x-0.3=0

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Solution for x^2+0.6x-0.3=0 equation:


Simplifying
x2 + 0.6x + -0.3 = 0

Reorder the terms:
-0.3 + 0.6x + x2 = 0

Solving
-0.3 + 0.6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.3' to each side of the equation.
-0.3 + 0.6x + 0.3 + x2 = 0 + 0.3

Reorder the terms:
-0.3 + 0.3 + 0.6x + x2 = 0 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.6x + x2 = 0 + 0.3
0.6x + x2 = 0 + 0.3

Combine like terms: 0 + 0.3 = 0.3
0.6x + x2 = 0.3

The x term is 0.6x.  Take half its coefficient (0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
0.6x + 0.09 + x2 = 0.3 + 0.09

Reorder the terms:
0.09 + 0.6x + x2 = 0.3 + 0.09

Combine like terms: 0.3 + 0.09 = 0.39
0.09 + 0.6x + x2 = 0.39

Factor a perfect square on the left side:
(x + 0.3)(x + 0.3) = 0.39

Calculate the square root of the right side: 0.6244998

Break this problem into two subproblems by setting 
(x + 0.3) equal to 0.6244998 and -0.6244998.

Subproblem 1

x + 0.3 = 0.6244998 Simplifying x + 0.3 = 0.6244998 Reorder the terms: 0.3 + x = 0.6244998 Solving 0.3 + x = 0.6244998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3' to each side of the equation. 0.3 + -0.3 + x = 0.6244998 + -0.3 Combine like terms: 0.3 + -0.3 = 0.0 0.0 + x = 0.6244998 + -0.3 x = 0.6244998 + -0.3 Combine like terms: 0.6244998 + -0.3 = 0.3244998 x = 0.3244998 Simplifying x = 0.3244998

Subproblem 2

x + 0.3 = -0.6244998 Simplifying x + 0.3 = -0.6244998 Reorder the terms: 0.3 + x = -0.6244998 Solving 0.3 + x = -0.6244998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3' to each side of the equation. 0.3 + -0.3 + x = -0.6244998 + -0.3 Combine like terms: 0.3 + -0.3 = 0.0 0.0 + x = -0.6244998 + -0.3 x = -0.6244998 + -0.3 Combine like terms: -0.6244998 + -0.3 = -0.9244998 x = -0.9244998 Simplifying x = -0.9244998

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3244998, -0.9244998}

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