Answer:
like terms are numbers or letters that are a like.
y² is the only letter with a square in this problem. Whilst xy and 2xy are the same.
y²+ xy + 2xy
y² there is no letter with square again.
xy+2xy is the same as one orange + two orange.
1 is never written against a letter.
y²+ xy + 2xy
y²+3xy
