问题
填空题
若(x-5)(x+20)=x2+mx+n,则m=______,n=______.
答案
(x-5)(x+20)=x2+15x-100=x2+mx+n,
则m=15,n=-100.
故答案为:15;-100
若(x-5)(x+20)=x2+mx+n,则m=______,n=______.
(x-5)(x+20)=x2+15x-100=x2+mx+n,
则m=15,n=-100.
故答案为:15;-100