8. (ii) (i) Find all solutions of the congruence x³ + 3x² - 9x + 5 = 0 mod 7. Find all solutions of the congruence x³ + 3x² - 9x + 5 = 0 mod 49.

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8.
(ii)
(i) Find all solutions of the congruence
x³ + 3x² 9x+ 5 = 0 mod 7.
Find all solutions of the congruence
x³ + 3x² - 9x + 5 = 0 mod 49.
Transcribed Image Text:8. (ii) (i) Find all solutions of the congruence x³ + 3x² 9x+ 5 = 0 mod 7. Find all solutions of the congruence x³ + 3x² - 9x + 5 = 0 mod 49.
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