5X-8X+3=8X(-3X+5)

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Solution for 5X-8X+3=8X(-3X+5) equation:


Simplifying
5X + -8X + 3 = 8X(-3X + 5)

Reorder the terms:
3 + 5X + -8X = 8X(-3X + 5)

Combine like terms: 5X + -8X = -3X
3 + -3X = 8X(-3X + 5)

Reorder the terms:
3 + -3X = 8X(5 + -3X)
3 + -3X = (5 * 8X + -3X * 8X)
3 + -3X = (40X + -24X2)

Solving
3 + -3X = 40X + -24X2

Solving for variable 'X'.

Combine like terms: -3X + -40X = -43X
3 + -43X + 24X2 = 40X + -24X2 + -40X + 24X2

Reorder the terms:
3 + -43X + 24X2 = 40X + -40X + -24X2 + 24X2

Combine like terms: 40X + -40X = 0
3 + -43X + 24X2 = 0 + -24X2 + 24X2
3 + -43X + 24X2 = -24X2 + 24X2

Combine like terms: -24X2 + 24X2 = 0
3 + -43X + 24X2 = 0

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

Divide each side by '24'.
0.125 + -1.791666667X + X2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + -1.791666667X + -0.125 + X2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + -1.791666667X + X2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + -1.791666667X + X2 = 0 + -0.125
-1.791666667X + X2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
-1.791666667X + X2 = -0.125

The X term is -1.791666667X.  Take half its coefficient (-0.8958333335).
Square it (0.8025173614) and add it to both sides.

Add '0.8025173614' to each side of the equation.
-1.791666667X + 0.8025173614 + X2 = -0.125 + 0.8025173614

Reorder the terms:
0.8025173614 + -1.791666667X + X2 = -0.125 + 0.8025173614

Combine like terms: -0.125 + 0.8025173614 = 0.6775173614
0.8025173614 + -1.791666667X + X2 = 0.6775173614

Factor a perfect square on the left side:
(X + -0.8958333335)(X + -0.8958333335) = 0.6775173614

Calculate the square root of the right side: 0.823114428

Break this problem into two subproblems by setting 
(X + -0.8958333335) equal to 0.823114428 and -0.823114428.

Subproblem 1

X + -0.8958333335 = 0.823114428 Simplifying X + -0.8958333335 = 0.823114428 Reorder the terms: -0.8958333335 + X = 0.823114428 Solving -0.8958333335 + X = 0.823114428 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.8958333335' to each side of the equation. -0.8958333335 + 0.8958333335 + X = 0.823114428 + 0.8958333335 Combine like terms: -0.8958333335 + 0.8958333335 = 0.0000000000 0.0000000000 + X = 0.823114428 + 0.8958333335 X = 0.823114428 + 0.8958333335 Combine like terms: 0.823114428 + 0.8958333335 = 1.7189477615 X = 1.7189477615 Simplifying X = 1.7189477615

Subproblem 2

X + -0.8958333335 = -0.823114428 Simplifying X + -0.8958333335 = -0.823114428 Reorder the terms: -0.8958333335 + X = -0.823114428 Solving -0.8958333335 + X = -0.823114428 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '0.8958333335' to each side of the equation. -0.8958333335 + 0.8958333335 + X = -0.823114428 + 0.8958333335 Combine like terms: -0.8958333335 + 0.8958333335 = 0.0000000000 0.0000000000 + X = -0.823114428 + 0.8958333335 X = -0.823114428 + 0.8958333335 Combine like terms: -0.823114428 + 0.8958333335 = 0.0727189055 X = 0.0727189055 Simplifying X = 0.0727189055

Solution

The solution to the problem is based on the solutions from the subproblems. X = {1.7189477615, 0.0727189055}

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