分解因式:2x2-20x+50=_.
问题描述:
分解因式:2x2-20x+50=______.
答
2x2-20x+50,
=2(x2-10x+25),
=2(x-5)2.
分解因式:2x2-20x+50=______.
2x2-20x+50,
=2(x2-10x+25),
=2(x-5)2.