Question

Descompunere in factori!!!
Va rog ajuta ti ma!!

A)2x la puterea 2 -7x-4=
B)4xla puterea 2 -9x+2=
C)36xla puterea 3 -64=
D)75x la puterea 3 -48x=
E)5x la puterea 4 +30x la puterea 3 +45x la puterea 2=
F)3x la puterea 5 -36x la puterea 4 +108x la puterea 3=
G)(x-7)la puterea 3 -16(x-7)=

Dau coroana !

Answer 1

4-7x-4=7x x=7
16-9x+2=18-9x 18=9x x=18/9 x=2