Question

va rog!!!! simplificati raportul algebric$\frac{3a ^{2}-12ab+12ab ^{2} }{a ^{2} -4b ^{2} }$

Answer 1

asa ar fi simplificarea fara acel a
(3a²-12ab+12b²)/(a²-4b²)=
=3(a²-4ab+4b²)/(a-2b)(a+2b)=
=3(a-2b)²/(a-2b)(a+2b)=
=3(a-2b)/(a+2b)