Question

5 is one of the zeros of the polynomial p(x) =x³+9x²+23x+15 (true or false​

Answer 1

Answer:

false

Step-by-step explanation:

p(5) = 5³ + 9×5² + 23×5 + 15

p(5) = 125+225+115+15

p(5) = 480

therefore x=5 is not the zero of this polynomial