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 thành nhân tử x ²-x-6

Toán Lớp 8: Phân tích đa thức thành nhân tử
x ²-x-6

Comments ( 2 )

  1. x^2 – x – 6
    = x^2 – 3x + 2x – 6
    = ( x^2 – 3x ) + ( 2x – 6 )
    = x( x – 3 ) + 2 ( x – 3 )
    = ( x – 3 )( x + 2 )  

  2. Answer
    x^{2} – x – 6
    = x^{2} – 3x + 2x – 6
    = (x^{2} – 3x) + (2x-  6)
    = x . (x – 3) + 2 . (x – 3)
    = (x + 2) . (x – 3)

Leave a reply

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