4.5(x-2)1.5x=(3x-4)-1

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Solution for 4.5(x-2)1.5x=(3x-4)-1 equation:


Simplifying
4.5(x + -2) * 1.5x = (3x + -4) + -1

Reorder the terms:
4.5(-2 + x) * 1.5x = (3x + -4) + -1

Reorder the terms for easier multiplication:
4.5 * 1.5x(-2 + x) = (3x + -4) + -1

Multiply 4.5 * 1.5
6.75x(-2 + x) = (3x + -4) + -1
(-2 * 6.75x + x * 6.75x) = (3x + -4) + -1
(-13.5x + 6.75x2) = (3x + -4) + -1

Reorder the terms:
-13.5x + 6.75x2 = (-4 + 3x) + -1

Remove parenthesis around (-4 + 3x)
-13.5x + 6.75x2 = -4 + 3x + -1

Reorder the terms:
-13.5x + 6.75x2 = -4 + -1 + 3x

Combine like terms: -4 + -1 = -5
-13.5x + 6.75x2 = -5 + 3x

Solving
-13.5x + 6.75x2 = -5 + 3x

Solving for variable 'x'.

Reorder the terms:
5 + -13.5x + -3x + 6.75x2 = -5 + 3x + 5 + -3x

Combine like terms: -13.5x + -3x = -16.5x
5 + -16.5x + 6.75x2 = -5 + 3x + 5 + -3x

Reorder the terms:
5 + -16.5x + 6.75x2 = -5 + 5 + 3x + -3x

Combine like terms: -5 + 5 = 0
5 + -16.5x + 6.75x2 = 0 + 3x + -3x
5 + -16.5x + 6.75x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
5 + -16.5x + 6.75x2 = 0

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

Divide each side by '6.75'.
0.7407407407 + -2.444444444x + x2 = 0

Move the constant term to the right:

Add '-0.7407407407' to each side of the equation.
0.7407407407 + -2.444444444x + -0.7407407407 + x2 = 0 + -0.7407407407

Reorder the terms:
0.7407407407 + -0.7407407407 + -2.444444444x + x2 = 0 + -0.7407407407

Combine like terms: 0.7407407407 + -0.7407407407 = 0.0000000000
0.0000000000 + -2.444444444x + x2 = 0 + -0.7407407407
-2.444444444x + x2 = 0 + -0.7407407407

Combine like terms: 0 + -0.7407407407 = -0.7407407407
-2.444444444x + x2 = -0.7407407407

The x term is -2.444444444x.  Take half its coefficient (-1.222222222).
Square it (1.493827160) and add it to both sides.

Add '1.493827160' to each side of the equation.
-2.444444444x + 1.493827160 + x2 = -0.7407407407 + 1.493827160

Reorder the terms:
1.493827160 + -2.444444444x + x2 = -0.7407407407 + 1.493827160

Combine like terms: -0.7407407407 + 1.493827160 = 0.7530864193
1.493827160 + -2.444444444x + x2 = 0.7530864193

Factor a perfect square on the left side:
(x + -1.222222222)(x + -1.222222222) = 0.7530864193

Calculate the square root of the right side: 0.867805519

Break this problem into two subproblems by setting 
(x + -1.222222222) equal to 0.867805519 and -0.867805519.

Subproblem 1

x + -1.222222222 = 0.867805519 Simplifying x + -1.222222222 = 0.867805519 Reorder the terms: -1.222222222 + x = 0.867805519 Solving -1.222222222 + x = 0.867805519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.222222222' to each side of the equation. -1.222222222 + 1.222222222 + x = 0.867805519 + 1.222222222 Combine like terms: -1.222222222 + 1.222222222 = 0.000000000 0.000000000 + x = 0.867805519 + 1.222222222 x = 0.867805519 + 1.222222222 Combine like terms: 0.867805519 + 1.222222222 = 2.090027741 x = 2.090027741 Simplifying x = 2.090027741

Subproblem 2

x + -1.222222222 = -0.867805519 Simplifying x + -1.222222222 = -0.867805519 Reorder the terms: -1.222222222 + x = -0.867805519 Solving -1.222222222 + x = -0.867805519 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.222222222' to each side of the equation. -1.222222222 + 1.222222222 + x = -0.867805519 + 1.222222222 Combine like terms: -1.222222222 + 1.222222222 = 0.000000000 0.000000000 + x = -0.867805519 + 1.222222222 x = -0.867805519 + 1.222222222 Combine like terms: -0.867805519 + 1.222222222 = 0.354416703 x = 0.354416703 Simplifying x = 0.354416703

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.090027741, 0.354416703}

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