Question

Find the remainder by using remainder theorem, when
x3
+3x2
−5x+5 is divided by

x+3.​

Answer 1

x+3=0

x=-3

x^3+3x^2-5x+5

-3^3+3×-3^2-5×-3+5

-27 + 27 +15 + 5

0+15+5

20