X^4-7x^3-5x^2=0

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Solution for X^4-7x^3-5x^2=0 equation: 


Simplifying
X4 + -7x3 + -5x2 = 0

Reorder the terms:
X4 + -5x2 + -7x3 = 0

Solving
X4 + -5x2 + -7x3 = 0

Solving for variable 'X'.

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

Add '5x2' to each side of the equation.
X4 + -5x2 + 5x2 + -7x3 = 0 + 5x2

Combine like terms: -5x2 + 5x2 = 0
X4 + 0 + -7x3 = 0 + 5x2
X4 + -7x3 = 0 + 5x2
Remove the zero:
X4 + -7x3 = 5x2

Add '7x3' to each side of the equation.
X4 + -7x3 + 7x3 = 5x2 + 7x3

Combine like terms: -7x3 + 7x3 = 0
X4 + 0 = 5x2 + 7x3
X4 = 5x2 + 7x3

Simplifying
X4 = 5x2 + 7x3

Reorder the terms:
X4 + -5x2 + -7x3 = 5x2 + -5x2 + 7x3 + -7x3

Combine like terms: 5x2 + -5x2 = 0
X4 + -5x2 + -7x3 = 0 + 7x3 + -7x3
X4 + -5x2 + -7x3 = 7x3 + -7x3

Combine like terms: 7x3 + -7x3 = 0
X4 + -5x2 + -7x3 = 0

The solution to this equation could not be determined.

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