distributive property says a(b+c)=ab+ac so 4(3x+2)=4(3x)+4(2)=12x+8 then add 12x+8-2 12x-6 it could also be 6(2x-1)
factor 20b-16 find the greatest common factor of both 20=2 times 2 times 5 16=2 times 2 times 2 times 2 GCF=2 tiemes 2=4 20b-16 undistribute 4 from each (divide each by 4) 4(5b-4)
