1. Use the remainder theorem to find the R(x) if P(x) is divided by D(x).

P(x) = 2x³ + 3x² - 5x - 6 ; D(x) = x + 1

2. P(x) = x³ - 3x² + 4x - 5 ; D(x) = x + 1

3. P(x) = x⁵ + 3x⁴ - 2x³ + 8x -2 ; D(x) =x +2​

please help