Jawabanmu

2014-08-31T13:14:56+07:00
Assalamu'alaikum
 
a.-6x-80xy
⇒x(-6-80y)

b.y²+7y+10
⇒(y+5) (y+2)

Maaf ga make cara, lagi males nulis cara XD
Wassalamu'alaikum
1 5 1