((x+4)(x+4))-4x^2+4x-1=8x

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Solution for ((x+4)(x+4))-4x^2+4x-1=8x equation:


Simplifying
((x + 4)(x + 4)) + -4x2 + 4x + -1 = 8x

Reorder the terms:
((4 + x)(x + 4)) + -4x2 + 4x + -1 = 8x

Reorder the terms:
((4 + x)(4 + x)) + -4x2 + 4x + -1 = 8x

Multiply (4 + x) * (4 + x)
((4(4 + x) + x(4 + x))) + -4x2 + 4x + -1 = 8x
(((4 * 4 + x * 4) + x(4 + x))) + -4x2 + 4x + -1 = 8x
(((16 + 4x) + x(4 + x))) + -4x2 + 4x + -1 = 8x
((16 + 4x + (4 * x + x * x))) + -4x2 + 4x + -1 = 8x
((16 + 4x + (4x + x2))) + -4x2 + 4x + -1 = 8x

Combine like terms: 4x + 4x = 8x
((16 + 8x + x2)) + -4x2 + 4x + -1 = 8x
(16 + 8x + x2) + -4x2 + 4x + -1 = 8x

Remove parenthesis around (16 + 8x + x2)
16 + 8x + x2 + -4x2 + 4x + -1 = 8x

Reorder the terms:
16 + -1 + 8x + 4x + x2 + -4x2 = 8x

Combine like terms: 16 + -1 = 15
15 + 8x + 4x + x2 + -4x2 = 8x

Combine like terms: 8x + 4x = 12x
15 + 12x + x2 + -4x2 = 8x

Combine like terms: x2 + -4x2 = -3x2
15 + 12x + -3x2 = 8x

Solving
15 + 12x + -3x2 = 8x

Solving for variable 'x'.

Reorder the terms:
15 + 12x + -8x + -3x2 = 8x + -8x

Combine like terms: 12x + -8x = 4x
15 + 4x + -3x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
15 + 4x + -3x2 = 0

Factor a trinomial.
(3 + -1x)(5 + 3x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(5 + 3x)' equal to zero and attempt to solve: Simplifying 5 + 3x = 0 Solving 5 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3x = 0 + -5 3x = 0 + -5 Combine like terms: 0 + -5 = -5 3x = -5 Divide each side by '3'. x = -1.666666667 Simplifying x = -1.666666667

Solution

x = {3, -1.666666667}

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