Question

ME AJUDEM PFVR ! URGENTEEEEE AGRUPAMENTO

Answer 1

d)7a+7b+na+nb
7(a+b)+n(a+b)
(7+n)(a+b)

e)an+bn+am+bm
n(a+b)+m(a+b)
(n+m)(a+b)

f)2x+4y-2ax+4ay
2(x+2y)-2a(x+2y)
(2-2a)(x+2y)

Espero ter ajudado