Find the remainder when 3x3 + 5x2 – 11x + 4 is divided by x + 3
The correct answer is: C
Explanation
x = -3substitute x = -3 in 3x3 + 5x2 - 11x + 4
3(-3)3 + 5(-3)2 - 11(-3) + 4
-81 + 45 + 33 + 4
-81 + 82
= 1
Find the remainder when 3x3 + 5x2 – 11x + 4 is divided by x + 3