4x-(9-3x)8x=1

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Solution for 4x-(9-3x)8x=1 equation:


Simplifying
4x + -1(9 + -3x) * 8x = 1

Reorder the terms for easier multiplication:
4x + -1 * 8x(9 + -3x) = 1

Multiply -1 * 8
4x + -8x(9 + -3x) = 1
4x + (9 * -8x + -3x * -8x) = 1
4x + (-72x + 24x2) = 1

Combine like terms: 4x + -72x = -68x
-68x + 24x2 = 1

Solving
-68x + 24x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + -68x + 24x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -68x + 24x2 = 0

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

Divide each side by '24'.
-0.04166666667 + -2.833333333x + x2 = 0

Move the constant term to the right:

Add '0.04166666667' to each side of the equation.
-0.04166666667 + -2.833333333x + 0.04166666667 + x2 = 0 + 0.04166666667

Reorder the terms:
-0.04166666667 + 0.04166666667 + -2.833333333x + x2 = 0 + 0.04166666667

Combine like terms: -0.04166666667 + 0.04166666667 = 0.00000000000
0.00000000000 + -2.833333333x + x2 = 0 + 0.04166666667
-2.833333333x + x2 = 0 + 0.04166666667

Combine like terms: 0 + 0.04166666667 = 0.04166666667
-2.833333333x + x2 = 0.04166666667

The x term is -2.833333333x.  Take half its coefficient (-1.416666667).
Square it (2.006944445) and add it to both sides.

Add '2.006944445' to each side of the equation.
-2.833333333x + 2.006944445 + x2 = 0.04166666667 + 2.006944445

Reorder the terms:
2.006944445 + -2.833333333x + x2 = 0.04166666667 + 2.006944445

Combine like terms: 0.04166666667 + 2.006944445 = 2.04861111167
2.006944445 + -2.833333333x + x2 = 2.04861111167

Factor a perfect square on the left side:
(x + -1.416666667)(x + -1.416666667) = 2.04861111167

Calculate the square root of the right side: 1.431297003

Break this problem into two subproblems by setting 
(x + -1.416666667) equal to 1.431297003 and -1.431297003.

Subproblem 1

x + -1.416666667 = 1.431297003 Simplifying x + -1.416666667 = 1.431297003 Reorder the terms: -1.416666667 + x = 1.431297003 Solving -1.416666667 + x = 1.431297003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = 1.431297003 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = 1.431297003 + 1.416666667 x = 1.431297003 + 1.416666667 Combine like terms: 1.431297003 + 1.416666667 = 2.84796367 x = 2.84796367 Simplifying x = 2.84796367

Subproblem 2

x + -1.416666667 = -1.431297003 Simplifying x + -1.416666667 = -1.431297003 Reorder the terms: -1.416666667 + x = -1.431297003 Solving -1.416666667 + x = -1.431297003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = -1.431297003 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = -1.431297003 + 1.416666667 x = -1.431297003 + 1.416666667 Combine like terms: -1.431297003 + 1.416666667 = -0.014630336 x = -0.014630336 Simplifying x = -0.014630336

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.84796367, -0.014630336}

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