cum se calculeaza?
aaaaaaaa -ul

f(x) = x^3-4x^2+mx+2; m€Q
f(2) = 2m-6
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f(2)= 2^3-4×2^2+m×2+2
f(2)= 8-4×4+2m+2
f(2)= 8-16+2m+2
f(2)= -8+2m+2
f(2)= -6+2m
f(2)= 2m-6