Find the remainder when the following polynomials are divided using:
a. Long division
b. the remainder Theorem
1. x2 + 6x + 4 ÷ (x + 2)
2. x2 − 6x − 7 ÷ (x − 7)
3. x3 + 3x2 − 2x + 6 ÷ (x − 2)
4. x3 − 4x2 + 3x − 5 ÷ (x + 3)
5. 2x3 − 5x2 − 6x + 3 ÷ (2x − 3)
6. x3 − 4x + 3 ÷ (x + 1)