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: phân tích đa thức x(x-7) +(7-x)^2 thành nhân tử

Toán Lớp 8: phân tích đa thức x(x-7) +(7-x)^2 thành nhân tử

Comments ( 2 )

  1. x(x-7)+(7-x)²
    =x(x-7)-(x-7).(x-7)
    =(x-7)(x-1.1)
    =(x-7).(x-1)
     

  2. Gửi bn:
    x(x – 7) + (7 – x)²
    = x(x – 7) – (x – 7)²
    = (x – 7)(x – x + 7)
    = 7(x – 7)
     $@ FanMaple$

Leave a reply

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

About Hòa Tâm