Toán Lớp 8: Phân tích đa thức 3x^2-12xy+12y^2-27
Leave a reply
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.
Toán Lớp 8: Phân tích đa thức 3x^2-12xy+12y^2-27
Comments ( 2 )
= 3(x² – 4xy + 4y² – 9)
= 3 [(x – 2y)² – 9)]
= 3(x – 2y – 3)(x – 2y + 3)