Question

if x-3 is a factor of x²+mx+14 then find m

Answer 1

X-3 is a factor means X-3=0; X=3(this value satisfying the equation).

so, put it in equation;

(3)*(3)+m*3+14=0;

9+3m+14+0;

23+3m=0

3m= -23

m=-23/3 (answer)

Answer 2

Very easy question... hope it will help you