![elementary number theory - How to solve $x^3 + 2x + 2 \equiv 0 \pmod{25}$? - Mathematics Stack Exchange elementary number theory - How to solve $x^3 + 2x + 2 \equiv 0 \pmod{25}$? - Mathematics Stack Exchange](https://i.stack.imgur.com/mRBf7.jpg)
elementary number theory - How to solve $x^3 + 2x + 2 \equiv 0 \pmod{25}$? - Mathematics Stack Exchange
![discrete mathematics - Why doesn't the author subtract everything by two first before applying modulus? - Mathematics Stack Exchange discrete mathematics - Why doesn't the author subtract everything by two first before applying modulus? - Mathematics Stack Exchange](https://i.stack.imgur.com/NpjFa.png)
discrete mathematics - Why doesn't the author subtract everything by two first before applying modulus? - Mathematics Stack Exchange
![Intro to Modular Arithmetic. Equivalence Classes and Circular… | by Brett Berry | Math Hacks | Medium Intro to Modular Arithmetic. Equivalence Classes and Circular… | by Brett Berry | Math Hacks | Medium](https://miro.medium.com/v2/resize:fit:407/1*vpJPkyD-7Y01KI3fWM595A.png)
Intro to Modular Arithmetic. Equivalence Classes and Circular… | by Brett Berry | Math Hacks | Medium
![Modular (Remainder) Arithmetic n = qk + r (for some k; r < k) eg 37 = (2)(17) + 3 Divisibility notation: 17 | n mod k = r 37 mod 17 = ppt download Modular (Remainder) Arithmetic n = qk + r (for some k; r < k) eg 37 = (2)(17) + 3 Divisibility notation: 17 | n mod k = r 37 mod 17 = ppt download](https://images.slideplayer.com/26/8780672/slides/slide_11.jpg)