Question

examine if 1 and 2 are the zeroes of the polynomial p(x)=x³–3x²–x+3​

Answer 1

Step-by-step explanation:

If x= 1 then

p(1) = 1³ - 3(1)² - 1 + 3

= 1 - 3 - 1 + 3

= 0

If x= 2 then

p(2) = 2³ - 3(2)² - 2 + 3

= 8 - 12 - 2 + 3

= -3

Thus only 1 is the zero of the polynomial.