Answer :
(−3s+2t)(4s+−t)
=(−3s)(4s)+(−3s)(−t)+(2t)(4s)+(2t)(−t) =−12s^2+3st+8st−2t^2 =−12s^2+11st−2t^2
I hope this helps
=(−3s)(4s)+(−3s)(−t)+(2t)(4s)+(2t)(−t) =−12s^2+3st+8st−2t^2 =−12s^2+11st−2t^2
I hope this helps