Question

Which function has real zeros at x = 3 and x = 7
Of(x) = x2 + 4x - 21
8 f(x) = x² - 4x = 21
f(x) = x2 – 10x + 21
f(x) = x2 – 10x - 21

Answer 1

Answer:

7

Step-by-step explanation:

okay