Simplify the expression $v\times v$v×v.

Simplify the expression $9t\times t$9t×t.

Simplify the expression $u\times6\times u$u×6×u.

Simplify the expression $8m\times2m$8m×2m.

Multiply a polynomial by a monomial involving the same variable to give results up to degree three using a variety of tools