Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3

Find the remainder when 3x3 + 5x2 - 11x + 4 is divided by x + 3

Answer Details

x = -3
substitute x = -3 in 3x3 + 5x2 - 11x + 4
3(-3)3 + 5(-3)2 - 11(-3) + 4
-81 + 45 + 33 + 4
-81 + 82
= 1