若x-y=5,xy=6,则x²y-xy²的值为

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若x-y=5,xy=6,则x²y-xy²的值为若x-y=5,xy=6,则x²y-xy²的值为若x-y=5,xy=6,则x²y-xy²的值为x

若x-y=5,xy=6,则x²y-xy²的值为
若x-y=5,xy=6,则x²y-xy²的值为

若x-y=5,xy=6,则x²y-xy²的值为
x²y-xy²
=xy(x-y)
=30