Question

подайте в виде многочлена
(8m-4n)×(8m-4n)​

Answer 1

64m²-32mn-32mn+16n²=64m²-64mn+16n²

Answer 2

$(8m-4n)(8m-4n)=(8m-4n)^2=64m^2-64mn+16n^2$