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: 2*x^2*a-a*(1 +2*x^2)-a-x*(x+a)

Toán Lớp 8: 2*x^2*a-a*(1 +2*x^2)-a-x*(x+a)

Comments ( 2 )

  1. Giải đáp:
    2x^2a – a (1 + 2x^2) – a – x (x+a) = -2a – x^2 – ax
    Lời giải và giải thích chi tiết:
     2x^2a – a (1 + 2x^2) – a – x (x+a)
    =  2x^2a – a – 2x^2a – a – x^2-ax
    = -2a – x^2 – ax

  2. 2x²a-a*(1+2x²)-a-x*(x+a)
    =2x²a-a-2x²a-a-x²-ax
    =(2x²a-2x²a)+(-a-a)-x²-ax
    =-2a-x²-ax

Leave a reply

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