Respostas

2014-08-12T14:16:46-03:00
A) x(y+1) -m(y+1) 
(y + 1)(x - m) 

b) a(m+n)+b(m+n)+c(m+n)
(m+n)(a+b+c)

Simplifique as expressões e apresente-as na forma fatorada:

a) 4ab-3ay-5ab+7ay
-ab + 5ay
a(-b+5y)

b) -2xy+4x²-3xy+2x²-x²
-5xy + 5x ^{2}
5x(-y+x)

c) 1/4p - 3/4pq +5/2p -2pq +1/2pq
11/4p - 9/4pq
1/4p (11 - 9q)