Question

find the remainder when:
1. f(x) = 4x³ - 3x² - 30x + 9; r=3
2. f(x) = 3x³ - 6x² - 5x + 8; r=1
3. f(x) = x⁴ - 10x² + 9; r= -1
4. f(x) = x⁴ - 4x³ - 9x² + 16x + 20; r=2
5. f(x) = x³ + x² - 22x - 40; r= 5

WITH SOLUTION​

Answer 1

thus is answer you put the value of r in x. your instincts is solve