m与(-1/2ab)的乘积为-4a³b³+3a²b²-(1/2ab)求m

m与(-1/2ab)的乘积为-4a³b³+3a²b²-(1/2ab)求m
m与(-1/2ab)的乘积为-4a³b³+3a²b²-(1/2ab)求m

m与(-1/2ab)的乘积为-4a³b³+3a²b²-(1/2ab)求m
m=[-4a³b³+3a²b²-(1/2)ab]/[(-1/2)ab]
=(8a³b³-6a²b²+ab)/(ab) /上一步分子分母同乘以-2
=ab(8a²b²-6ab+1)/(ab)
=8a²b²-6ab+1