2X^3+6x^2-3x-9=0

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Solution for 2X^3+6x^2-3x-9=0 equation:


Simplifying
2X3 + 6x2 + -3x + -9 = 0

Reorder the terms:
-9 + 2X3 + -3x + 6x2 = 0

Solving
-9 + 2X3 + -3x + 6x2 = 0

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 2X3 + -3x + 9 + 6x2 = 0 + 9

Reorder the terms:
-9 + 9 + 2X3 + -3x + 6x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 2X3 + -3x + 6x2 = 0 + 9
2X3 + -3x + 6x2 = 0 + 9

Combine like terms: 0 + 9 = 9
2X3 + -3x + 6x2 = 9

Add '3x' to each side of the equation.
2X3 + -3x + 3x + 6x2 = 9 + 3x

Combine like terms: -3x + 3x = 0
2X3 + 0 + 6x2 = 9 + 3x
2X3 + 6x2 = 9 + 3x

Add '-6x2' to each side of the equation.
2X3 + 6x2 + -6x2 = 9 + 3x + -6x2

Combine like terms: 6x2 + -6x2 = 0
2X3 + 0 = 9 + 3x + -6x2
2X3 = 9 + 3x + -6x2

Divide each side by '2'.
X3 = 4.5 + 1.5x + -3x2

Simplifying
X3 = 4.5 + 1.5x + -3x2

Reorder the terms:
-4.5 + X3 + -1.5x + 3x2 = 4.5 + 1.5x + -3x2 + -4.5 + -1.5x + 3x2

Reorder the terms:
-4.5 + X3 + -1.5x + 3x2 = 4.5 + -4.5 + 1.5x + -1.5x + -3x2 + 3x2

Combine like terms: 4.5 + -4.5 = 0.0
-4.5 + X3 + -1.5x + 3x2 = 0.0 + 1.5x + -1.5x + -3x2 + 3x2
-4.5 + X3 + -1.5x + 3x2 = 1.5x + -1.5x + -3x2 + 3x2

Combine like terms: 1.5x + -1.5x = 0.0
-4.5 + X3 + -1.5x + 3x2 = 0.0 + -3x2 + 3x2
-4.5 + X3 + -1.5x + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-4.5 + X3 + -1.5x + 3x2 = 0

The solution to this equation could not be determined.

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