Question

reducir
-6-5b-11b

3xy+12xy+21xy+5xy

​

Answer 1

a)

$- 6 - 5b - 11b$

$- 6 + (-5 - 11)b$

$- 6 + ( -16b)$

$- 6 - 16b$

b)

$3xy+12xy+21xy+5xy$

$(3 + 12 + 21 + 5)xy$

$41xy$