(X^4)-(2x^2)-6x-9=0

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Solution for (X^4)-(2x^2)-6x-9=0 equation:


Simplifying
(X4) + -1(2x2) + -6x + -9 = 0
X4 + -1(2x2) + -6x + -9 = 0

Remove parenthesis around (2x2)
X4 + -1 * 2x2 + -6x + -9 = 0

Multiply -1 * 2
X4 + -2x2 + -6x + -9 = 0

Reorder the terms:
-9 + X4 + -6x + -2x2 = 0

Solving
-9 + X4 + -6x + -2x2 = 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 + X4 + -6x + 9 + -2x2 = 0 + 9

Reorder the terms:
-9 + 9 + X4 + -6x + -2x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + X4 + -6x + -2x2 = 0 + 9
X4 + -6x + -2x2 = 0 + 9

Combine like terms: 0 + 9 = 9
X4 + -6x + -2x2 = 9

Add '6x' to each side of the equation.
X4 + -6x + 6x + -2x2 = 9 + 6x

Combine like terms: -6x + 6x = 0
X4 + 0 + -2x2 = 9 + 6x
X4 + -2x2 = 9 + 6x

Add '2x2' to each side of the equation.
X4 + -2x2 + 2x2 = 9 + 6x + 2x2

Combine like terms: -2x2 + 2x2 = 0
X4 + 0 = 9 + 6x + 2x2
X4 = 9 + 6x + 2x2

Simplifying
X4 = 9 + 6x + 2x2

Reorder the terms:
-9 + X4 + -6x + -2x2 = 9 + 6x + 2x2 + -9 + -6x + -2x2

Reorder the terms:
-9 + X4 + -6x + -2x2 = 9 + -9 + 6x + -6x + 2x2 + -2x2

Combine like terms: 9 + -9 = 0
-9 + X4 + -6x + -2x2 = 0 + 6x + -6x + 2x2 + -2x2
-9 + X4 + -6x + -2x2 = 6x + -6x + 2x2 + -2x2

Combine like terms: 6x + -6x = 0
-9 + X4 + -6x + -2x2 = 0 + 2x2 + -2x2
-9 + X4 + -6x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-9 + X4 + -6x + -2x2 = 0

The solution to this equation could not be determined.

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