1.2x^2-1.7x+0.6=0

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Solution for 1.2x^2-1.7x+0.6=0 equation:


Simplifying
1.2x2 + -1.7x + 0.6 = 0

Reorder the terms:
0.6 + -1.7x + 1.2x2 = 0

Solving
0.6 + -1.7x + 1.2x2 = 0

Solving for variable 'x'.

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

Divide each side by '1.2'.
0.5 + -1.416666667x + x2 = 0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -1.416666667x + -0.5 + x2 = 0 + -0.5

Reorder the terms:
0.5 + -0.5 + -1.416666667x + x2 = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -1.416666667x + x2 = 0 + -0.5
-1.416666667x + x2 = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
-1.416666667x + x2 = -0.5

The x term is -1.416666667x.  Take half its coefficient (-0.7083333335).
Square it (0.5017361113) and add it to both sides.

Add '0.5017361113' to each side of the equation.
-1.416666667x + 0.5017361113 + x2 = -0.5 + 0.5017361113

Reorder the terms:
0.5017361113 + -1.416666667x + x2 = -0.5 + 0.5017361113

Combine like terms: -0.5 + 0.5017361113 = 0.0017361113
0.5017361113 + -1.416666667x + x2 = 0.0017361113

Factor a perfect square on the left side:
(x + -0.7083333335)(x + -0.7083333335) = 0.0017361113

Calculate the square root of the right side: 0.041666669

Break this problem into two subproblems by setting 
(x + -0.7083333335) equal to 0.041666669 and -0.041666669.

Subproblem 1

x + -0.7083333335 = 0.041666669 Simplifying x + -0.7083333335 = 0.041666669 Reorder the terms: -0.7083333335 + x = 0.041666669 Solving -0.7083333335 + x = 0.041666669 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7083333335' to each side of the equation. -0.7083333335 + 0.7083333335 + x = 0.041666669 + 0.7083333335 Combine like terms: -0.7083333335 + 0.7083333335 = 0.0000000000 0.0000000000 + x = 0.041666669 + 0.7083333335 x = 0.041666669 + 0.7083333335 Combine like terms: 0.041666669 + 0.7083333335 = 0.7500000025 x = 0.7500000025 Simplifying x = 0.7500000025

Subproblem 2

x + -0.7083333335 = -0.041666669 Simplifying x + -0.7083333335 = -0.041666669 Reorder the terms: -0.7083333335 + x = -0.041666669 Solving -0.7083333335 + x = -0.041666669 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.7083333335' to each side of the equation. -0.7083333335 + 0.7083333335 + x = -0.041666669 + 0.7083333335 Combine like terms: -0.7083333335 + 0.7083333335 = 0.0000000000 0.0000000000 + x = -0.041666669 + 0.7083333335 x = -0.041666669 + 0.7083333335 Combine like terms: -0.041666669 + 0.7083333335 = 0.6666666645 x = 0.6666666645 Simplifying x = 0.6666666645

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.7500000025, 0.6666666645}

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