SIMPLIFY THE MONOMIALS COMPLETELY.(Make sure to only do one step at a time!)

ANYONE PLEASE HELP ME I REALLY NEED THE ANSWER RIGHT NOW BECAUSE I HAVE TO PASS THIS LATER I HOPE Y'ALL CAN HELP ME:(
I'LL MARK YOU AS THE BRAINLIEST!​

SIMPLIFY THE MONOMIALS COMPLETELYMake sure to only do one step at a timeANYONE PLEASE HELP ME I REALLY NEED THE ANSWER RIGHT NOW BECAUSE I HAVE TO PASS THIS LAT class=