Question

if the zeros of polynomial p(x)=3×3-×2-a×-45 is 3 then a=_______ solution explain answer​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a = 9

Step-by-step explanation:

x= 3

(because, 3 is the zero of polynomial)

p(3) = 3(3)³ - (3)² - a(3) - 45

0 = 3(27) - 9 - 3a -45

0 = 81 - 9 - 45 - 3a

0 = 27 - 3a

3a = 27

a = 27/3

a = 9

Hope it helped you.....