👤
PATRIZIO
a fost răspuns

Efectuati a) 3(2x-1)-6x b) x(x-y)+y(x-y) c) (x-1)(x+2) d) (x+2) (2x-1)-(x-2)(2x+3) e) (a...la oua-a+1)(a la doua...+a+1)

Răspuns :

Danadelia17
6x-3-6x=3 se simplifica 6x-6x=0
xpatrat-xy+xy-ypatrat=xpatrat-ypatrat
xpatrat+2x-x-2=xpatrat+x-2
2xpatrat-x+4x-2-2xpatrat-3x+4x-6=4x-8
a la puterea4+a+1

Alte intrebari