First simplify, and then substitute x with your favorite number to evaluate: X * x-4, X * x-4x + 4, X / X-2

When x = 3:
x²-4\x²-4x+4 + x\x-2
=(x+2)(x-2)/(x-2)²+x/(x-2)
=(x+2)/(x-2)+x/(x-2)
=(2x+2)/(x-2)
=(2×3+2)/(3-2)
=8

RELATED INFORMATIONS

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