Please, do it step by step And can you do it quickly, the assignment
Find the least complete solution
1. x3 + x2 + 1 ≡ 0 (mod 27)
Find the least complete solution to the congruence.
Start by making a table of the least residues of 12, 22, ....... 82 (mod 17)
2. 5x2 + 11x -2 ≡ 0 (mod 27)
3. Use the law of quadratic reciprocity to show that if p is an odd prime other than 5, then (5/p) = 1 if and only if the last digit of p is 1 or 9.