5x-4x(x-8)=10x+24

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Solution for 5x-4x(x-8)=10x+24 equation:


Simplifying
5x + -4x(x + -8) = 10x + 24

Reorder the terms:
5x + -4x(-8 + x) = 10x + 24
5x + (-8 * -4x + x * -4x) = 10x + 24
5x + (32x + -4x2) = 10x + 24

Combine like terms: 5x + 32x = 37x
37x + -4x2 = 10x + 24

Reorder the terms:
37x + -4x2 = 24 + 10x

Solving
37x + -4x2 = 24 + 10x

Solving for variable 'x'.

Reorder the terms:
-24 + 37x + -10x + -4x2 = 24 + 10x + -24 + -10x

Combine like terms: 37x + -10x = 27x
-24 + 27x + -4x2 = 24 + 10x + -24 + -10x

Reorder the terms:
-24 + 27x + -4x2 = 24 + -24 + 10x + -10x

Combine like terms: 24 + -24 = 0
-24 + 27x + -4x2 = 0 + 10x + -10x
-24 + 27x + -4x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
-24 + 27x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
6 + -6.75x + x2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -6.75x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + -6.75x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -6.75x + x2 = 0 + -6
-6.75x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
-6.75x + x2 = -6

The x term is -6.75x.  Take half its coefficient (-3.375).
Square it (11.390625) and add it to both sides.

Add '11.390625' to each side of the equation.
-6.75x + 11.390625 + x2 = -6 + 11.390625

Reorder the terms:
11.390625 + -6.75x + x2 = -6 + 11.390625

Combine like terms: -6 + 11.390625 = 5.390625
11.390625 + -6.75x + x2 = 5.390625

Factor a perfect square on the left side:
(x + -3.375)(x + -3.375) = 5.390625

Calculate the square root of the right side: 2.321771953

Break this problem into two subproblems by setting 
(x + -3.375) equal to 2.321771953 and -2.321771953.

Subproblem 1

x + -3.375 = 2.321771953 Simplifying x + -3.375 = 2.321771953 Reorder the terms: -3.375 + x = 2.321771953 Solving -3.375 + x = 2.321771953 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = 2.321771953 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = 2.321771953 + 3.375 x = 2.321771953 + 3.375 Combine like terms: 2.321771953 + 3.375 = 5.696771953 x = 5.696771953 Simplifying x = 5.696771953

Subproblem 2

x + -3.375 = -2.321771953 Simplifying x + -3.375 = -2.321771953 Reorder the terms: -3.375 + x = -2.321771953 Solving -3.375 + x = -2.321771953 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.375' to each side of the equation. -3.375 + 3.375 + x = -2.321771953 + 3.375 Combine like terms: -3.375 + 3.375 = 0.000 0.000 + x = -2.321771953 + 3.375 x = -2.321771953 + 3.375 Combine like terms: -2.321771953 + 3.375 = 1.053228047 x = 1.053228047 Simplifying x = 1.053228047

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.696771953, 1.053228047}

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