X^3+8x^2-9=0

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Solution for X^3+8x^2-9=0 equation:


Simplifying
X3 + 8x2 + -9 = 0

Reorder the terms:
-9 + X3 + 8x2 = 0

Solving
-9 + X3 + 8x2 = 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 + X3 + 9 + 8x2 = 0 + 9

Reorder the terms:
-9 + 9 + X3 + 8x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + X3 + 8x2 = 0 + 9
X3 + 8x2 = 0 + 9

Combine like terms: 0 + 9 = 9
X3 + 8x2 = 9

Add '-8x2' to each side of the equation.
X3 + 8x2 + -8x2 = 9 + -8x2

Combine like terms: 8x2 + -8x2 = 0
X3 + 0 = 9 + -8x2
X3 = 9 + -8x2

Simplifying
X3 = 9 + -8x2

Reorder the terms:
-9 + X3 + 8x2 = 9 + -8x2 + -9 + 8x2

Reorder the terms:
-9 + X3 + 8x2 = 9 + -9 + -8x2 + 8x2

Combine like terms: 9 + -9 = 0
-9 + X3 + 8x2 = 0 + -8x2 + 8x2
-9 + X3 + 8x2 = -8x2 + 8x2

Combine like terms: -8x2 + 8x2 = 0
-9 + X3 + 8x2 = 0

The solution to this equation could not be determined.

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