X^3+x^2-15x-75=0

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Solution for X^3+x^2-15x-75=0 equation:


Simplifying
X3 + x2 + -15x + -75 = 0

Reorder the terms:
-75 + X3 + -15x + x2 = 0

Solving
-75 + X3 + -15x + x2 = 0

Solving for variable 'X'.

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

Add '75' to each side of the equation.
-75 + X3 + -15x + 75 + x2 = 0 + 75

Reorder the terms:
-75 + 75 + X3 + -15x + x2 = 0 + 75

Combine like terms: -75 + 75 = 0
0 + X3 + -15x + x2 = 0 + 75
X3 + -15x + x2 = 0 + 75

Combine like terms: 0 + 75 = 75
X3 + -15x + x2 = 75

Add '15x' to each side of the equation.
X3 + -15x + 15x + x2 = 75 + 15x

Combine like terms: -15x + 15x = 0
X3 + 0 + x2 = 75 + 15x
X3 + x2 = 75 + 15x

Add '-1x2' to each side of the equation.
X3 + x2 + -1x2 = 75 + 15x + -1x2

Combine like terms: x2 + -1x2 = 0
X3 + 0 = 75 + 15x + -1x2
X3 = 75 + 15x + -1x2

Simplifying
X3 = 75 + 15x + -1x2

Reorder the terms:
-75 + X3 + -15x + x2 = 75 + 15x + -1x2 + -75 + -15x + x2

Reorder the terms:
-75 + X3 + -15x + x2 = 75 + -75 + 15x + -15x + -1x2 + x2

Combine like terms: 75 + -75 = 0
-75 + X3 + -15x + x2 = 0 + 15x + -15x + -1x2 + x2
-75 + X3 + -15x + x2 = 15x + -15x + -1x2 + x2

Combine like terms: 15x + -15x = 0
-75 + X3 + -15x + x2 = 0 + -1x2 + x2
-75 + X3 + -15x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-75 + X3 + -15x + x2 = 0

The solution to this equation could not be determined.

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