∵-6=2×(-3)=(-2)×3=1×(-6)=(-1)×6,
∴m=2+(-3)=-1,m=-2+3=1,m=1+(-6)=-5,m=(-1)+6=5,
故本題答案為:±1,±5.
要使二次三項(xiàng)式x2+mx-6能在整數(shù)范圍內(nèi)分解因式,則m可取的整數(shù)為_.
要使二次三項(xiàng)式x2+mx-6能在整數(shù)范圍內(nèi)分解因式,則m可取的整數(shù)為______.
數(shù)學(xué)人氣:974 ℃時(shí)間:2020-04-02 04:48:18
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