Question

Which of the following is a polynomial with roots -3, -3, and 3 ?

x3 + 3x2 + 9x + 27
x3 - 3x2 + 9x - 27
x3 + 9x2 + 9x + 81
x3 - 9x2 + 9x - 81

Answer 1

ooh i know this one

Answer 2

-3 -3 and 3 so

(x+3)^2+(x-3) expand it :D

Answer 3

(x+3)^2*(x-3)

Answer 4

oh wait that is a * not a +

Answer 5

x^3+3*x^2-9*x-27

Answer 6

wow i should've known that lol ty ;)

Answer 7

well now you know in case of a test or something :)