Algebraic Expression Quiz 4

$(a^2 - b^2)a =$ .........

a (a-b) + b (b-c) + c (c – a) = ……………

83 $\times$ 77 = ………………

$304^2 =$ ..........

(m + n) (m – n) = ……………

$9k^2+24\,kl+16\,l^2=$

$abc\times a^2bc=$ ..........

$(p+q)(p^2-pq+q^2)=$ ...........

$m^3+m^2n-n^2m-n^3=$ ........

$-5p^2 \times (-2p) =$