x^2-3xy-40y^2
1836174
31085800
24174756
4410900
5471028.1299444
6786161
12187557
11125739
1425150
If 8𝑛= 164 then 𝑛 =
2x+8x
2-2
11125739.5304
3/5+7/9
11125739.2217218
q 15/2*q-7/2
6x+7x (9+x) 5y-3