X^4+3x^3+3x^2-12x-28=0

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Solution for X^4+3x^3+3x^2-12x-28=0 equation: 


Simplifying
X4 + 3x3 + 3x2 + -12x + -28 = 0

Reorder the terms:
-28 + X4 + -12x + 3x2 + 3x3 = 0

Solving
-28 + X4 + -12x + 3x2 + 3x3 = 0

Solving for variable 'X'.

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

Add '28' to each side of the equation.
-28 + X4 + -12x + 3x2 + 28 + 3x3 = 0 + 28

Reorder the terms:
-28 + 28 + X4 + -12x + 3x2 + 3x3 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + X4 + -12x + 3x2 + 3x3 = 0 + 28
X4 + -12x + 3x2 + 3x3 = 0 + 28

Combine like terms: 0 + 28 = 28
X4 + -12x + 3x2 + 3x3 = 28

Add '12x' to each side of the equation.
X4 + -12x + 3x2 + 12x + 3x3 = 28 + 12x

Reorder the terms:
X4 + -12x + 12x + 3x2 + 3x3 = 28 + 12x

Combine like terms: -12x + 12x = 0
X4 + 0 + 3x2 + 3x3 = 28 + 12x
X4 + 3x2 + 3x3 = 28 + 12x

Add '-3x2' to each side of the equation.
X4 + 3x2 + -3x2 + 3x3 = 28 + 12x + -3x2

Combine like terms: 3x2 + -3x2 = 0
X4 + 0 + 3x3 = 28 + 12x + -3x2
X4 + 3x3 = 28 + 12x + -3x2

Add '-3x3' to each side of the equation.
X4 + 3x3 + -3x3 = 28 + 12x + -3x2 + -3x3

Combine like terms: 3x3 + -3x3 = 0
X4 + 0 = 28 + 12x + -3x2 + -3x3
X4 = 28 + 12x + -3x2 + -3x3

Simplifying
X4 = 28 + 12x + -3x2 + -3x3

Reorder the terms:
-28 + X4 + -12x + 3x2 + 3x3 = 28 + 12x + -3x2 + -3x3 + -28 + -12x + 3x2 + 3x3

Reorder the terms:
-28 + X4 + -12x + 3x2 + 3x3 = 28 + -28 + 12x + -12x + -3x2 + 3x2 + -3x3 + 3x3

Combine like terms: 28 + -28 = 0
-28 + X4 + -12x + 3x2 + 3x3 = 0 + 12x + -12x + -3x2 + 3x2 + -3x3 + 3x3
-28 + X4 + -12x + 3x2 + 3x3 = 12x + -12x + -3x2 + 3x2 + -3x3 + 3x3

Combine like terms: 12x + -12x = 0
-28 + X4 + -12x + 3x2 + 3x3 = 0 + -3x2 + 3x2 + -3x3 + 3x3
-28 + X4 + -12x + 3x2 + 3x3 = -3x2 + 3x2 + -3x3 + 3x3

Combine like terms: -3x2 + 3x2 = 0
-28 + X4 + -12x + 3x2 + 3x3 = 0 + -3x3 + 3x3
-28 + X4 + -12x + 3x2 + 3x3 = -3x3 + 3x3

Combine like terms: -3x3 + 3x3 = 0
-28 + X4 + -12x + 3x2 + 3x3 = 0

The solution to this equation could not be determined.

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