问题
填空题
直接写出因式分解的结果:
(1)x2-xy=______;
(2)a2-4a+4=______.
答案
(1)x2-xy=x(x-y);
(2)a2-4a+4=(a-2)2,
故答案为:x(x-y);(a-2)2.
直接写出因式分解的结果:
(1)x2-xy=______;
(2)a2-4a+4=______.
(1)x2-xy=x(x-y);
(2)a2-4a+4=(a-2)2,
故答案为:x(x-y);(a-2)2.