7p-9-pSubtract p from 7p.6p-9Factor 3 out of 6p-9.Tap for more steps…Factor 3 out of 6p.3(2p)-9Factor 3 out of -9.3(2p)+3(-3)Factor 3 out of 3(2p)+3(-3).3(2p-3)3(2p-3) Factor 7p-9-p