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: 5x^2+10xy-4x-8y

Toán Lớp 8: Phân tích đa thức thành nhân tử: 5x^2+10xy-4x-8y

Comments ( 2 )

  1. 5x^2 + 10xy – 4x – 8y
    = 5x(x+2y) – 4(x+2y)
    = (5x-4).(x+2y)

  2. $5x^2+10xy-4x-8y$

    $=\left(5x^2+10xy\right)+\left(-4x-8y\right)$

    $=5x\left(x+2y\right)-4\left(x+2y\right)$

    $=\left(x+2y\right)\left(5x-4\right)$

Leave a reply

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

About Tâm