因式分解填空题①3a^2b-3ab+6a=( )(a^2-a+2) ②若m、n互为相反数,则5m+5n-5= ③因式分解:3a+12a^2+12a^3= ④已知x+y=6,xy=-3,则x^2y+xy^2=
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因式分解填空题①3a^2b-3ab+6a=( )(a^2-a+2) ②若m、n互为相反数,则5m+5n-5= ③因式分解:3a+12a^2+12a^3= ④已知x+y=6,xy=-3,则x^2y+xy^2=
因式分解填空题
①3a^2b-3ab+6a=( )(a^2-a+2) ②若m、n互为相反数,则5m+5n-5= ③因式分解:3a+12a^2+12a^3= ④已知x+y=6,xy=-3,则x^2y+xy^2=
因式分解填空题①3a^2b-3ab+6a=( )(a^2-a+2) ②若m、n互为相反数,则5m+5n-5= ③因式分解:3a+12a^2+12a^3= ④已知x+y=6,xy=-3,则x^2y+xy^2=
①3a^2b-3ab+6ab=(3b )(a^2-a+2)
②若m、n互为相反数,则5m+5n-5= -5
③因式分3a+12a^2+12a^3= 3a(2a+1)^2
④已知x+y=6,xy=-3,则x^2y+xy^2=xy(x+y)=-18
你好
①3a^2b-3ab+6b=( 3b )(a^2-a+2)
②若m、n互为相反数,则5m+5n-5=-5 ( m、n互为相反数 ,m+n =0)
③因式分3a+12a^2+12a^3=3a(1+4a+4a^2)=3a(1+2a)^2
④已知x+y=6,xy=...
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你好
①3a^2b-3ab+6b=( 3b )(a^2-a+2)
②若m、n互为相反数,则5m+5n-5=-5 ( m、n互为相反数 ,m+n =0)
③因式分3a+12a^2+12a^3=3a(1+4a+4a^2)=3a(1+2a)^2
④已知x+y=6,xy=-3,则
x^2y+xy^2=xy(x+y)=6*(-3)=18
数学辅导团为您解答,不理解请追问,理解请及时选为满意回答!(*^__^*)谢谢!
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②若m、n互为相反数
m=-n
5m+5n-5=-5
③因式分3a+12a^2+12a^3=3a(4a^2+4a+1)=3a(2a+1)^2
④x^2y+xy^2=xy(x+y)=-3*6=-18
第一问不好意思,我解不出来,祝你学习进步!!!晚安!
①3a^2b-3ab+6ab=( 3b )(a^2-a+2)②若m、n互为相反数,则5m+5n-5= -5③因式分3a+12a^2+12a^3=3a(1+4a+4a^2)=3a(1+2a)^2④已知x+y=6,xy=-3,则x^2y+xy^2=xy(x+y)=(-3)*6=-18