(x-4)(x-4)(x-4)=x^3-2x^2-x-6

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Solution for (x-4)(x-4)(x-4)=x^3-2x^2-x-6 equation:


Simplifying
(x + -4)(x + -4)(x + -4) = x3 + -2x2 + -1x + -6

Reorder the terms:
(-4 + x)(x + -4)(x + -4) = x3 + -2x2 + -1x + -6

Reorder the terms:
(-4 + x)(-4 + x)(x + -4) = x3 + -2x2 + -1x + -6

Reorder the terms:
(-4 + x)(-4 + x)(-4 + x) = x3 + -2x2 + -1x + -6

Multiply (-4 + x) * (-4 + x)
(-4(-4 + x) + x(-4 + x))(-4 + x) = x3 + -2x2 + -1x + -6
((-4 * -4 + x * -4) + x(-4 + x))(-4 + x) = x3 + -2x2 + -1x + -6
((16 + -4x) + x(-4 + x))(-4 + x) = x3 + -2x2 + -1x + -6
(16 + -4x + (-4 * x + x * x))(-4 + x) = x3 + -2x2 + -1x + -6
(16 + -4x + (-4x + x2))(-4 + x) = x3 + -2x2 + -1x + -6

Combine like terms: -4x + -4x = -8x
(16 + -8x + x2)(-4 + x) = x3 + -2x2 + -1x + -6

Multiply (16 + -8x + x2) * (-4 + x)
(16(-4 + x) + -8x * (-4 + x) + x2(-4 + x)) = x3 + -2x2 + -1x + -6
((-4 * 16 + x * 16) + -8x * (-4 + x) + x2(-4 + x)) = x3 + -2x2 + -1x + -6
((-64 + 16x) + -8x * (-4 + x) + x2(-4 + x)) = x3 + -2x2 + -1x + -6
(-64 + 16x + (-4 * -8x + x * -8x) + x2(-4 + x)) = x3 + -2x2 + -1x + -6
(-64 + 16x + (32x + -8x2) + x2(-4 + x)) = x3 + -2x2 + -1x + -6
(-64 + 16x + 32x + -8x2 + (-4 * x2 + x * x2)) = x3 + -2x2 + -1x + -6
(-64 + 16x + 32x + -8x2 + (-4x2 + x3)) = x3 + -2x2 + -1x + -6

Combine like terms: 16x + 32x = 48x
(-64 + 48x + -8x2 + -4x2 + x3) = x3 + -2x2 + -1x + -6

Combine like terms: -8x2 + -4x2 = -12x2
(-64 + 48x + -12x2 + x3) = x3 + -2x2 + -1x + -6

Reorder the terms:
-64 + 48x + -12x2 + x3 = -6 + -1x + -2x2 + x3

Add '-1x3' to each side of the equation.
-64 + 48x + -12x2 + x3 + -1x3 = -6 + -1x + -2x2 + x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-64 + 48x + -12x2 + 0 = -6 + -1x + -2x2 + x3 + -1x3
-64 + 48x + -12x2 = -6 + -1x + -2x2 + x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-64 + 48x + -12x2 = -6 + -1x + -2x2 + 0
-64 + 48x + -12x2 = -6 + -1x + -2x2

Solving
-64 + 48x + -12x2 = -6 + -1x + -2x2

Solving for variable 'x'.

Reorder the terms:
-64 + 6 + 48x + x + -12x2 + 2x2 = -6 + -1x + -2x2 + 6 + x + 2x2

Combine like terms: -64 + 6 = -58
-58 + 48x + x + -12x2 + 2x2 = -6 + -1x + -2x2 + 6 + x + 2x2

Combine like terms: 48x + x = 49x
-58 + 49x + -12x2 + 2x2 = -6 + -1x + -2x2 + 6 + x + 2x2

Combine like terms: -12x2 + 2x2 = -10x2
-58 + 49x + -10x2 = -6 + -1x + -2x2 + 6 + x + 2x2

Reorder the terms:
-58 + 49x + -10x2 = -6 + 6 + -1x + x + -2x2 + 2x2

Combine like terms: -6 + 6 = 0
-58 + 49x + -10x2 = 0 + -1x + x + -2x2 + 2x2
-58 + 49x + -10x2 = -1x + x + -2x2 + 2x2

Combine like terms: -1x + x = 0
-58 + 49x + -10x2 = 0 + -2x2 + 2x2
-58 + 49x + -10x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-58 + 49x + -10x2 = 0

Factor a trinomial.
(-29 + 10x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-29 + 10x)' equal to zero and attempt to solve: Simplifying -29 + 10x = 0 Solving -29 + 10x = 0 Move all terms containing x to the left, all other terms to the right. Add '29' to each side of the equation. -29 + 29 + 10x = 0 + 29 Combine like terms: -29 + 29 = 0 0 + 10x = 0 + 29 10x = 0 + 29 Combine like terms: 0 + 29 = 29 10x = 29 Divide each side by '10'. x = 2.9 Simplifying x = 2.9

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {2.9, 2}

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