Question

fatore as expressões (agrupamento)

a) ac + bc + ad + bd

b) 3ax + ay + 3bx +by

c) 3ay - 3a + by - b

d)8x - 3xy + 8 - 3y

Answer 1

a) c(a+b)+d(a+b) = (a+b)(c+d)
b) 3a(x+y)+3b(x+y) = (3a+3b)(x+y)
c) 3a(y-1)+b(y-1) = (3a+b)(y-1)
d) x(8-3y)+1(8-3y) = (x+1)(8-3y)