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: Tìm x $[4(x-y)^5 + 2(x-y)^3 – 3(x-y)^2] : (y-x)^2$

Toán Lớp 8: Tìm x
$[4(x-y)^5 + 2(x-y)^3 – 3(x-y)^2] : (y-x)^2$

Comments ( 2 )

  1. $ [ 4 ( x – y )^5 + 2 ( x – y )^3 – 3 ( x- y )^2 ] : ( y – x )^2 $
    $ = [ 4 ( x – y )^5 + 2 ( x – y )^3 – 3 ( x- y )^2 ] : ( x – y )^2 $
    $ = 4 ( x – y )^3 + 2 ( x – y ) – 3 $
    $ = 4 ( x^3 – 3x^2y + 3xy^2 – y^3 ) + 2x – 2y – 3 $
    $ = 4x^3 – 12x^2y + 12xy^2 – y^3 + 2x – 2y – 3 $

  2. Giải đáp + Lời giải và giải thích chi tiết:
    [4(x – y)^5 + 2(x – y)^3 – 3(x – y)^2] : (y – x)^2
    = [4(x – y)^5 + 2(x – y)^3 – 3(x – y)^2] : (x – y)^2
    = 4(x – y)^3 + 2(x – y) – 3
    = 4 (x^3 – 3x^2y + 3xy^2 – y^3) + 2x – 2y – 3
    = 4x^3 – 12x^2y + 12xy^2 – 4y^3 + 2x – 2y – 3

Leave a reply

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