Nilai 2a(b-2) +3(a+2b)+3a-4b= By Admin ReiPosted on December 12, 2022 Nilai 2a(b-2) +3(a+2b)+3a-4b= 2a(b-2)+3(a+2b)+3a-4b=2ab-4a+3a+6b+3a-4b=2ab+2a+2b=2(ab+a+b)