Question

помогите срочнноо надо!!!

Answer 1

ном 1
1)
${p}^{2} + 2p \times 8 + {8}^{2}$
${p}^{2} + 16p + 64$
2)
$100 {x}^{2} - 60xy + 9 {y}^{2}$
3)
${x}^{2} - {9}^{2}$
${x}^{2} - 81$
4)
$- 16 {m}^{2} + 56mn - 49 {n}^{2}$