Question

Verify whether (x+3) and (x-3) are factors of polynomial : P(x)= x³ +5x²-9x-45

Answer 1

Answer:

yes

Step-by-step explanation:

(x+3)*(x-3)

x^2 -3^2

x^2 - 9

x^3 + 5x^2 - 9x - 45 / x^2 -9

= x+5