Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: (x + 5) * (x+3*y+2) giuppppppppppppppppppppppp

Toán Lớp 8: (x + 5) * (x+3*y+2) giuppppppppppppppppppppppp

Comments ( 2 )

  1. (x+5)* (x+3y+2) ( nhân đa thức với đa thức )
    = x.x + 3xy + 2x + 5x + 15y + 10
    = x² + 3xy + 7x + 15x + 10
     

  2. (x+5)(x+3y+2)
    =x.x+x.3y+x.2+5.x+5.3y+5.2
    =x^2+3xy+2x+5x+15y+10
    =x^2+3xy+7x+15y+10
     

Leave a reply

222-9+11+12:2*14+14 = ? ( )

About Madelyn