问题
填空题
因式分x2-25y2=______,4y2+1-4y=______.
答案
x2-25y2=(x+5y)(x-5y);
4y2+1-4y=(2y-1)2.
故答案为:(x+5y)(x-5y);(2y-1)2.
因式分x2-25y2=______,4y2+1-4y=______.
x2-25y2=(x+5y)(x-5y);
4y2+1-4y=(2y-1)2.
故答案为:(x+5y)(x-5y);(2y-1)2.