Find the product of (t+s2) and (t2−s).
t3+s2t2−st−s3
t3+s2t2−st−s2
t3+s2t2−2st−s3
t3+t2−st−s3
(t+s2)(t2−s)=[t(t2−s)+s2(t2−s)] =t3−ts+s2t2−s3
=t3+s2t2−st−s3
The product of (t+s2) and (t2−s) is: