0=x^4-4x^3-20x^2+48

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Solution for 0=x^4-4x^3-20x^2+48 equation: 


Simplifying
0 = x4 + -4x3 + -20x2 + 48

Reorder the terms:
0 = 48 + -20x2 + -4x3 + x4

Solving
0 = 48 + -20x2 + -4x3 + x4

Solving for variable 'x'.

Combine like terms: 0 + -48 = -48
-48 + 20x2 + 4x3 + -1x4 = 48 + -20x2 + -4x3 + x4 + -48 + 20x2 + 4x3 + -1x4

Reorder the terms:
-48 + 20x2 + 4x3 + -1x4 = 48 + -48 + -20x2 + 20x2 + -4x3 + 4x3 + x4 + -1x4

Combine like terms: 48 + -48 = 0
-48 + 20x2 + 4x3 + -1x4 = 0 + -20x2 + 20x2 + -4x3 + 4x3 + x4 + -1x4
-48 + 20x2 + 4x3 + -1x4 = -20x2 + 20x2 + -4x3 + 4x3 + x4 + -1x4

Combine like terms: -20x2 + 20x2 = 0
-48 + 20x2 + 4x3 + -1x4 = 0 + -4x3 + 4x3 + x4 + -1x4
-48 + 20x2 + 4x3 + -1x4 = -4x3 + 4x3 + x4 + -1x4

Combine like terms: -4x3 + 4x3 = 0
-48 + 20x2 + 4x3 + -1x4 = 0 + x4 + -1x4
-48 + 20x2 + 4x3 + -1x4 = x4 + -1x4

Combine like terms: x4 + -1x4 = 0
-48 + 20x2 + 4x3 + -1x4 = 0

The solution to this equation could not be determined.

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