问题
解答题
分解因式
(1)2x5-32x;
(2)(x-y)2+4xy.
答案
(1)原式=2x(x4-16),
=2x(x2-4)(x2+4),
=2x(x-2)(x+2)(x2+4);
(2)原式=x2-2xy+y2+4xy,
=(x+y)2.
分解因式
(1)2x5-32x;
(2)(x-y)2+4xy.
(1)原式=2x(x4-16),
=2x(x2-4)(x2+4),
=2x(x-2)(x+2)(x2+4);
(2)原式=x2-2xy+y2+4xy,
=(x+y)2.