If x+a is a common factor of expressions f(x)=x2+px+q and g(x)=x2+mx+n, then 'a' is equal to:

If x+a is a common factor of expressions f(x)=x2+px+q and g(x)=x2+mx+n

1.	If x+a is a common factor of expressions f(x)=x2+px+q and g(x)=x2+mx+n, then 'a' is equal to:
Answer» If $x + a$ is a common factor of expressions $f (x) = x^{2} + p x + q$ and $g (x) = x^{2} + m x + n$ , then 'a' is equal to: