X^3-3x^2-16x+42=0

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Solution for X^3-3x^2-16x+42=0 equation:


Simplifying
X3 + -3x2 + -16x + 42 = 0

Reorder the terms:
42 + X3 + -16x + -3x2 = 0

Solving
42 + X3 + -16x + -3x2 = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-42' to each side of the equation.
42 + X3 + -16x + -42 + -3x2 = 0 + -42

Reorder the terms:
42 + -42 + X3 + -16x + -3x2 = 0 + -42

Combine like terms: 42 + -42 = 0
0 + X3 + -16x + -3x2 = 0 + -42
X3 + -16x + -3x2 = 0 + -42

Combine like terms: 0 + -42 = -42
X3 + -16x + -3x2 = -42

Add '16x' to each side of the equation.
X3 + -16x + 16x + -3x2 = -42 + 16x

Combine like terms: -16x + 16x = 0
X3 + 0 + -3x2 = -42 + 16x
X3 + -3x2 = -42 + 16x

Add '3x2' to each side of the equation.
X3 + -3x2 + 3x2 = -42 + 16x + 3x2

Combine like terms: -3x2 + 3x2 = 0
X3 + 0 = -42 + 16x + 3x2
X3 = -42 + 16x + 3x2

Simplifying
X3 = -42 + 16x + 3x2

Reorder the terms:
42 + X3 + -16x + -3x2 = -42 + 16x + 3x2 + 42 + -16x + -3x2

Reorder the terms:
42 + X3 + -16x + -3x2 = -42 + 42 + 16x + -16x + 3x2 + -3x2

Combine like terms: -42 + 42 = 0
42 + X3 + -16x + -3x2 = 0 + 16x + -16x + 3x2 + -3x2
42 + X3 + -16x + -3x2 = 16x + -16x + 3x2 + -3x2

Combine like terms: 16x + -16x = 0
42 + X3 + -16x + -3x2 = 0 + 3x2 + -3x2
42 + X3 + -16x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
42 + X3 + -16x + -3x2 = 0

The solution to this equation could not be determined.

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