Question

Fatoração por agrupamento
a)ac+bc+ad+bd
b)3ax+ay+3bx+by
c)3ay-3a-by-b
d)5am+ay+5bm+by

Answer 1

a
c( a + b) + d( a + b)  = ( a + b) ( c + d)
b
a( 3x + y) + b( 3x + y) = (3x + y) (a + b)
c
3a( y - 1 ) - 1b ( y - 1) = ( y - 1) ( 3a - b)
d
a( 5m + y) + b( 5m + y) = ( 5m + y) ( a + b)