Question

Simplificati raportul algebric:
$\frac{ 3a^{2}-12ab+ 12b^{2} }{ a^{2}- 4b^{2} }$
Va roog,urgent

Answer 1

(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)