Question

1)scoate factor comun
a 2.a+2.b+2.c=
b)5.x+5.y-5.z=
c)7.a+7.b+49=
d) 3.x-3.y+3=

si rezolvarea

dau coroana

Answer 1

1.
    a) 2a+2b+2c= 2* (a+b+c)
    b)5x+5y+5z= 5*(x+y+z)
    c)7a+7b+49=7a+7b+7*7= 8a+8b= 8*(a+b)
    d)3x-3y+3= 3*(x-y+1)

               Sper ca te-am ajutat! :*

Answer 2

a) 2.a+2.b+2.c==2 (a+b+c)
b) 5.x+5.y-5.z= 5 (x+y-z)
c) 7.a+7.b+49= 7 (a+b+7)
d) 3.x-3.y+3=3 (x-y+1)