8x(4x-5)-(3x+4)(2x-3)=2

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Solution for 8x(4x-5)-(3x+4)(2x-3)=2 equation:


Simplifying
8x(4x + -5) + -1(3x + 4)(2x + -3) = 2

Reorder the terms:
8x(-5 + 4x) + -1(3x + 4)(2x + -3) = 2
(-5 * 8x + 4x * 8x) + -1(3x + 4)(2x + -3) = 2
(-40x + 32x2) + -1(3x + 4)(2x + -3) = 2

Reorder the terms:
-40x + 32x2 + -1(4 + 3x)(2x + -3) = 2

Reorder the terms:
-40x + 32x2 + -1(4 + 3x)(-3 + 2x) = 2

Multiply (4 + 3x) * (-3 + 2x)
-40x + 32x2 + -1(4(-3 + 2x) + 3x * (-3 + 2x)) = 2
-40x + 32x2 + -1((-3 * 4 + 2x * 4) + 3x * (-3 + 2x)) = 2
-40x + 32x2 + -1((-12 + 8x) + 3x * (-3 + 2x)) = 2
-40x + 32x2 + -1(-12 + 8x + (-3 * 3x + 2x * 3x)) = 2
-40x + 32x2 + -1(-12 + 8x + (-9x + 6x2)) = 2

Combine like terms: 8x + -9x = -1x
-40x + 32x2 + -1(-12 + -1x + 6x2) = 2
-40x + 32x2 + (-12 * -1 + -1x * -1 + 6x2 * -1) = 2
-40x + 32x2 + (12 + 1x + -6x2) = 2

Reorder the terms:
12 + -40x + 1x + 32x2 + -6x2 = 2

Combine like terms: -40x + 1x = -39x
12 + -39x + 32x2 + -6x2 = 2

Combine like terms: 32x2 + -6x2 = 26x2
12 + -39x + 26x2 = 2

Solving
12 + -39x + 26x2 = 2

Solving for variable 'x'.

Reorder the terms:
12 + -2 + -39x + 26x2 = 2 + -2

Combine like terms: 12 + -2 = 10
10 + -39x + 26x2 = 2 + -2

Combine like terms: 2 + -2 = 0
10 + -39x + 26x2 = 0

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

Divide each side by '26'.
0.3846153846 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-0.3846153846' to each side of the equation.
0.3846153846 + -1.5x + -0.3846153846 + x2 = 0 + -0.3846153846

Reorder the terms:
0.3846153846 + -0.3846153846 + -1.5x + x2 = 0 + -0.3846153846

Combine like terms: 0.3846153846 + -0.3846153846 = 0.0000000000
0.0000000000 + -1.5x + x2 = 0 + -0.3846153846
-1.5x + x2 = 0 + -0.3846153846

Combine like terms: 0 + -0.3846153846 = -0.3846153846
-1.5x + x2 = -0.3846153846

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -0.3846153846 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -0.3846153846 + 0.5625

Combine like terms: -0.3846153846 + 0.5625 = 0.1778846154
0.5625 + -1.5x + x2 = 0.1778846154

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 0.1778846154

Calculate the square root of the right side: 0.421763696

Break this problem into two subproblems by setting 
(x + -0.75) equal to 0.421763696 and -0.421763696.

Subproblem 1

x + -0.75 = 0.421763696 Simplifying x + -0.75 = 0.421763696 Reorder the terms: -0.75 + x = 0.421763696 Solving -0.75 + x = 0.421763696 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 0.421763696 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 0.421763696 + 0.75 x = 0.421763696 + 0.75 Combine like terms: 0.421763696 + 0.75 = 1.171763696 x = 1.171763696 Simplifying x = 1.171763696

Subproblem 2

x + -0.75 = -0.421763696 Simplifying x + -0.75 = -0.421763696 Reorder the terms: -0.75 + x = -0.421763696 Solving -0.75 + x = -0.421763696 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -0.421763696 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -0.421763696 + 0.75 x = -0.421763696 + 0.75 Combine like terms: -0.421763696 + 0.75 = 0.328236304 x = 0.328236304 Simplifying x = 0.328236304

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.171763696, 0.328236304}

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