x^2-4x-21=fector

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Solution for x^2-4x-21=fector equation: 


Simplifying
x2 + -4x + -21 = fector

Reorder the terms:
-21 + -4x + x2 = fector

Solving
-21 + -4x + x2 = cefort

Solving for variable 'x'.

Reorder the terms:
-21 + -1cefort + -4x + x2 = cefort + -1cefort

Combine like terms: cefort + -1cefort = 0
-21 + -1cefort + -4x + x2 = 0

The solution to this equation could not be determined.

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