Question

Find the aero (s) of the fullowing functian. f(c)=c^(2)+10c+21

Answer 1

Hi,

Explanation:

`f(c)=c^2+10c+21=c^2+3c+7c+21=c(c+3)+7(c+3)=(c+3)(c+7)\\`

Zeroes of the function are -3 and -7