4(4x+1)=3x-4x(6-x)-8

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Solution for 4(4x+1)=3x-4x(6-x)-8 equation:


Simplifying
4(4x + 1) = 3x + -4x(6 + -1x) + -8

Reorder the terms:
4(1 + 4x) = 3x + -4x(6 + -1x) + -8
(1 * 4 + 4x * 4) = 3x + -4x(6 + -1x) + -8
(4 + 16x) = 3x + -4x(6 + -1x) + -8
4 + 16x = 3x + (6 * -4x + -1x * -4x) + -8
4 + 16x = 3x + (-24x + 4x2) + -8

Reorder the terms:
4 + 16x = -8 + 3x + -24x + 4x2

Combine like terms: 3x + -24x = -21x
4 + 16x = -8 + -21x + 4x2

Solving
4 + 16x = -8 + -21x + 4x2

Solving for variable 'x'.

Reorder the terms:
4 + 8 + 16x + 21x + -4x2 = -8 + -21x + 4x2 + 8 + 21x + -4x2

Combine like terms: 4 + 8 = 12
12 + 16x + 21x + -4x2 = -8 + -21x + 4x2 + 8 + 21x + -4x2

Combine like terms: 16x + 21x = 37x
12 + 37x + -4x2 = -8 + -21x + 4x2 + 8 + 21x + -4x2

Reorder the terms:
12 + 37x + -4x2 = -8 + 8 + -21x + 21x + 4x2 + -4x2

Combine like terms: -8 + 8 = 0
12 + 37x + -4x2 = 0 + -21x + 21x + 4x2 + -4x2
12 + 37x + -4x2 = -21x + 21x + 4x2 + -4x2

Combine like terms: -21x + 21x = 0
12 + 37x + -4x2 = 0 + 4x2 + -4x2
12 + 37x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
12 + 37x + -4x2 = 0

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

Divide each side by '-4'.
-3 + -9.25x + x2 = 0

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -9.25x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -9.25x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -9.25x + x2 = 0 + 3
-9.25x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-9.25x + x2 = 3

The x term is -9.25x.  Take half its coefficient (-4.625).
Square it (21.390625) and add it to both sides.

Add '21.390625' to each side of the equation.
-9.25x + 21.390625 + x2 = 3 + 21.390625

Reorder the terms:
21.390625 + -9.25x + x2 = 3 + 21.390625

Combine like terms: 3 + 21.390625 = 24.390625
21.390625 + -9.25x + x2 = 24.390625

Factor a perfect square on the left side:
(x + -4.625)(x + -4.625) = 24.390625

Calculate the square root of the right side: 4.938686566

Break this problem into two subproblems by setting 
(x + -4.625) equal to 4.938686566 and -4.938686566.

Subproblem 1

x + -4.625 = 4.938686566 Simplifying x + -4.625 = 4.938686566 Reorder the terms: -4.625 + x = 4.938686566 Solving -4.625 + x = 4.938686566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = 4.938686566 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = 4.938686566 + 4.625 x = 4.938686566 + 4.625 Combine like terms: 4.938686566 + 4.625 = 9.563686566 x = 9.563686566 Simplifying x = 9.563686566

Subproblem 2

x + -4.625 = -4.938686566 Simplifying x + -4.625 = -4.938686566 Reorder the terms: -4.625 + x = -4.938686566 Solving -4.625 + x = -4.938686566 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = -4.938686566 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = -4.938686566 + 4.625 x = -4.938686566 + 4.625 Combine like terms: -4.938686566 + 4.625 = -0.313686566 x = -0.313686566 Simplifying x = -0.313686566

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.563686566, -0.313686566}

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