X^4-4x^3+9x^2-6x-7=0

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Solution for X^4-4x^3+9x^2-6x-7=0 equation: 


Simplifying
X4 + -4x3 + 9x2 + -6x + -7 = 0

Reorder the terms:
-7 + X4 + -6x + 9x2 + -4x3 = 0

Solving
-7 + X4 + -6x + 9x2 + -4x3 = 0

Solving for variable 'X'.

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

Add '7' to each side of the equation.
-7 + X4 + -6x + 9x2 + 7 + -4x3 = 0 + 7

Reorder the terms:
-7 + 7 + X4 + -6x + 9x2 + -4x3 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + X4 + -6x + 9x2 + -4x3 = 0 + 7
X4 + -6x + 9x2 + -4x3 = 0 + 7

Combine like terms: 0 + 7 = 7
X4 + -6x + 9x2 + -4x3 = 7

Add '6x' to each side of the equation.
X4 + -6x + 9x2 + 6x + -4x3 = 7 + 6x

Reorder the terms:
X4 + -6x + 6x + 9x2 + -4x3 = 7 + 6x

Combine like terms: -6x + 6x = 0
X4 + 0 + 9x2 + -4x3 = 7 + 6x
X4 + 9x2 + -4x3 = 7 + 6x

Add '-9x2' to each side of the equation.
X4 + 9x2 + -9x2 + -4x3 = 7 + 6x + -9x2

Combine like terms: 9x2 + -9x2 = 0
X4 + 0 + -4x3 = 7 + 6x + -9x2
X4 + -4x3 = 7 + 6x + -9x2

Add '4x3' to each side of the equation.
X4 + -4x3 + 4x3 = 7 + 6x + -9x2 + 4x3

Combine like terms: -4x3 + 4x3 = 0
X4 + 0 = 7 + 6x + -9x2 + 4x3
X4 = 7 + 6x + -9x2 + 4x3

Simplifying
X4 = 7 + 6x + -9x2 + 4x3

Reorder the terms:
-7 + X4 + -6x + 9x2 + -4x3 = 7 + 6x + -9x2 + 4x3 + -7 + -6x + 9x2 + -4x3

Reorder the terms:
-7 + X4 + -6x + 9x2 + -4x3 = 7 + -7 + 6x + -6x + -9x2 + 9x2 + 4x3 + -4x3

Combine like terms: 7 + -7 = 0
-7 + X4 + -6x + 9x2 + -4x3 = 0 + 6x + -6x + -9x2 + 9x2 + 4x3 + -4x3
-7 + X4 + -6x + 9x2 + -4x3 = 6x + -6x + -9x2 + 9x2 + 4x3 + -4x3

Combine like terms: 6x + -6x = 0
-7 + X4 + -6x + 9x2 + -4x3 = 0 + -9x2 + 9x2 + 4x3 + -4x3
-7 + X4 + -6x + 9x2 + -4x3 = -9x2 + 9x2 + 4x3 + -4x3

Combine like terms: -9x2 + 9x2 = 0
-7 + X4 + -6x + 9x2 + -4x3 = 0 + 4x3 + -4x3
-7 + X4 + -6x + 9x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
-7 + X4 + -6x + 9x2 + -4x3 = 0

The solution to this equation could not be determined.

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