X^4-3x^3-40=0

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Solution for X^4-3x^3-40=0 equation:


Simplifying
X4 + -3x3 + -40 = 0

Reorder the terms:
-40 + X4 + -3x3 = 0

Solving
-40 + X4 + -3x3 = 0

Solving for variable 'X'.

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

Add '40' to each side of the equation.
-40 + X4 + 40 + -3x3 = 0 + 40

Reorder the terms:
-40 + 40 + X4 + -3x3 = 0 + 40

Combine like terms: -40 + 40 = 0
0 + X4 + -3x3 = 0 + 40
X4 + -3x3 = 0 + 40

Combine like terms: 0 + 40 = 40
X4 + -3x3 = 40

Add '3x3' to each side of the equation.
X4 + -3x3 + 3x3 = 40 + 3x3

Combine like terms: -3x3 + 3x3 = 0
X4 + 0 = 40 + 3x3
X4 = 40 + 3x3

Simplifying
X4 = 40 + 3x3

Reorder the terms:
-40 + X4 + -3x3 = 40 + 3x3 + -40 + -3x3

Reorder the terms:
-40 + X4 + -3x3 = 40 + -40 + 3x3 + -3x3

Combine like terms: 40 + -40 = 0
-40 + X4 + -3x3 = 0 + 3x3 + -3x3
-40 + X4 + -3x3 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
-40 + X4 + -3x3 = 0

The solution to this equation could not be determined.

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