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: a) 4x ³y ²+8x^4y ³ +4x ³y^4 b) -3x ²y-6x ³y ² – 3x ²y ³

Toán Lớp 8: a) 4x ³y ²+8x^4y ³ +4x ³y^4
b) -3x ²y-6x ³y ² – 3x ²y ³

Comments ( 2 )

  1. $ a) 4x^3y^2 + 8x^4y^3 + 4x^3y^4 $
    $ = 4x^3y^2 ( 1 + 2xy + y^2 ) $
    $ b) – 3x^2y – 6x^3y^2 – 3x^2y^3 $
    $ = – 3x^2y ( 1 + 2xy + y^2 ) $
     

  2. a) 4x³y²+8x^4y³+4x³y^4
     =4x³y²+4x^4y³+4x^4y³+4x³y^4
    = 4x³y²(2xy+y²+1)
    b) -3x²y-6x³y²-3x²y³
    = -3x²y(1+2xy+y²)

Leave a reply

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

About Phi Nhung