g)m(2m+3)=2m²+3m h)3p(2p+5p-1)=6p²+15p²-3p=21p²-3p i)xy(2x-3y+5)=2x²y-3xy²+5xy j)1/2(3a-2)=3/2 a-1 k)2/3(1,5+3x)=2/3(3/2+3x)=1+2x