Question

if 3 is a zero of polyn
omial x^2-3x^2-7x^2+15x +k .find k

Answer 1

Answer:

Step-by-step explanation:

X^2-3x^2-7x^2+15x+k

-9x^2+15x+k

P(3) = 0

-9(3)^2+15(3)+k=0

-81+45+k=0

-36+k=0

K=36