X^3+8x^2-5x-84=

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Solution for X^3+8x^2-5x-84= equation:


Simplifying
X3 + 8x2 + -5x + -84 = 0

Reorder the terms:
-84 + X3 + -5x + 8x2 = 0

Solving
-84 + X3 + -5x + 8x2 = 0

Solving for variable 'X'.

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

Add '84' to each side of the equation.
-84 + X3 + -5x + 84 + 8x2 = 0 + 84

Reorder the terms:
-84 + 84 + X3 + -5x + 8x2 = 0 + 84

Combine like terms: -84 + 84 = 0
0 + X3 + -5x + 8x2 = 0 + 84
X3 + -5x + 8x2 = 0 + 84

Combine like terms: 0 + 84 = 84
X3 + -5x + 8x2 = 84

Add '5x' to each side of the equation.
X3 + -5x + 5x + 8x2 = 84 + 5x

Combine like terms: -5x + 5x = 0
X3 + 0 + 8x2 = 84 + 5x
X3 + 8x2 = 84 + 5x

Add '-8x2' to each side of the equation.
X3 + 8x2 + -8x2 = 84 + 5x + -8x2

Combine like terms: 8x2 + -8x2 = 0
X3 + 0 = 84 + 5x + -8x2
X3 = 84 + 5x + -8x2

Simplifying
X3 = 84 + 5x + -8x2

Reorder the terms:
-84 + X3 + -5x + 8x2 = 84 + 5x + -8x2 + -84 + -5x + 8x2

Reorder the terms:
-84 + X3 + -5x + 8x2 = 84 + -84 + 5x + -5x + -8x2 + 8x2

Combine like terms: 84 + -84 = 0
-84 + X3 + -5x + 8x2 = 0 + 5x + -5x + -8x2 + 8x2
-84 + X3 + -5x + 8x2 = 5x + -5x + -8x2 + 8x2

Combine like terms: 5x + -5x = 0
-84 + X3 + -5x + 8x2 = 0 + -8x2 + 8x2
-84 + X3 + -5x + 8x2 = -8x2 + 8x2

Combine like terms: -8x2 + 8x2 = 0
-84 + X3 + -5x + 8x2 = 0

The solution to this equation could not be determined.

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