x^2+1.5*x-0.6=0

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Solution for x^2+1.5*x-0.6=0 equation:


Simplifying
x2 + 1.5x + -0.6 = 0

Reorder the terms:
-0.6 + 1.5x + x2 = 0

Solving
-0.6 + 1.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.6' to each side of the equation.
-0.6 + 1.5x + 0.6 + x2 = 0 + 0.6

Reorder the terms:
-0.6 + 0.6 + 1.5x + x2 = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 1.5x + x2 = 0 + 0.6
1.5x + x2 = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
1.5x + x2 = 0.6

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = 0.6 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = 0.6 + 0.5625

Combine like terms: 0.6 + 0.5625 = 1.1625
0.5625 + 1.5x + x2 = 1.1625

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = 1.1625

Calculate the square root of the right side: 1.078192933

Break this problem into two subproblems by setting 
(x + 0.75) equal to 1.078192933 and -1.078192933.

Subproblem 1

x + 0.75 = 1.078192933 Simplifying x + 0.75 = 1.078192933 Reorder the terms: 0.75 + x = 1.078192933 Solving 0.75 + x = 1.078192933 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = 1.078192933 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = 1.078192933 + -0.75 x = 1.078192933 + -0.75 Combine like terms: 1.078192933 + -0.75 = 0.328192933 x = 0.328192933 Simplifying x = 0.328192933

Subproblem 2

x + 0.75 = -1.078192933 Simplifying x + 0.75 = -1.078192933 Reorder the terms: 0.75 + x = -1.078192933 Solving 0.75 + x = -1.078192933 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = -1.078192933 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = -1.078192933 + -0.75 x = -1.078192933 + -0.75 Combine like terms: -1.078192933 + -0.75 = -1.828192933 x = -1.828192933 Simplifying x = -1.828192933

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.328192933, -1.828192933}

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