Question

Tlg jawab no 3 dan 4

Answer 1

4.a) ab(a+2b-c)+=a*b+2ab*-abc
   b) 5xy(x-3y+5)=5x*y-15y+25
   c)2xy(x-3y)=2x*y-6xy*
   d)5a(3ab-2ac)=15a*b-10a*c
   e)3y(4xy-4yz)=12xy*-12y*z

(*)=pangkat 2