6x^2-10x=7

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Solution for 6x^2-10x=7 equation:


Simplifying
6x2 + -10x = 7

Reorder the terms:
-10x + 6x2 = 7

Solving
-10x + 6x2 = 7

Solving for variable 'x'.

Reorder the terms:
-7 + -10x + 6x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + -10x + 6x2 = 0

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

Divide each side by '6'.
-1.166666667 + -1.666666667x + x2 = 0

Move the constant term to the right:

Add '1.166666667' to each side of the equation.
-1.166666667 + -1.666666667x + 1.166666667 + x2 = 0 + 1.166666667

Reorder the terms:
-1.166666667 + 1.166666667 + -1.666666667x + x2 = 0 + 1.166666667

Combine like terms: -1.166666667 + 1.166666667 = 0.000000000
0.000000000 + -1.666666667x + x2 = 0 + 1.166666667
-1.666666667x + x2 = 0 + 1.166666667

Combine like terms: 0 + 1.166666667 = 1.166666667
-1.666666667x + x2 = 1.166666667

The x term is -1.666666667x.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667x + 0.6944444447 + x2 = 1.166666667 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667x + x2 = 1.166666667 + 0.6944444447

Combine like terms: 1.166666667 + 0.6944444447 = 1.8611111117
0.6944444447 + -1.666666667x + x2 = 1.8611111117

Factor a perfect square on the left side:
(x + -0.8333333335)(x + -0.8333333335) = 1.8611111117

Calculate the square root of the right side: 1.364225462

Break this problem into two subproblems by setting 
(x + -0.8333333335) equal to 1.364225462 and -1.364225462.

Subproblem 1

x + -0.8333333335 = 1.364225462 Simplifying x + -0.8333333335 = 1.364225462 Reorder the terms: -0.8333333335 + x = 1.364225462 Solving -0.8333333335 + x = 1.364225462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = 1.364225462 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = 1.364225462 + 0.8333333335 x = 1.364225462 + 0.8333333335 Combine like terms: 1.364225462 + 0.8333333335 = 2.1975587955 x = 2.1975587955 Simplifying x = 2.1975587955

Subproblem 2

x + -0.8333333335 = -1.364225462 Simplifying x + -0.8333333335 = -1.364225462 Reorder the terms: -0.8333333335 + x = -1.364225462 Solving -0.8333333335 + x = -1.364225462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = -1.364225462 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = -1.364225462 + 0.8333333335 x = -1.364225462 + 0.8333333335 Combine like terms: -1.364225462 + 0.8333333335 = -0.5308921285 x = -0.5308921285 Simplifying x = -0.5308921285

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.1975587955, -0.5308921285}

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