X(14-X)=24*2
14X-X^2=48
X^2-14X+48=0
(X-6)(X-8)=0
X1=6,X2=8
猜你喜欢
- 1表示冬天的词语
- 2Did you speak to him yesterday?应该怎么来回答?
- 3___the right there is a supermarket A,ln B,On C,Of D,Af
- 4I haven't been to ciname for a long time I haven't gone to ciname for a long time 那个对?
- 5alma mater怎么读?还有alumni和alumna得音标
- 6you can see______ in the sky at night
- 7圆柱,圆锥,球,三棱柱,正方体,长方体这些几何体中,表面只有一个面的是哪个?
- 8Friends often write to each other about their hobbies. Can you match the hobbies in the box with the pictures below?是什么意
- 9关于元宵节的英文
- 10台阶仿写