因式分解(1) 2x2-x (2)x2-16y2 (3)9a2-24ab+16b2
问题描述:
因式分解(1) 2x2-x (2)x2-16y2 (3)9a2-24ab+16b2
答
1) 2x2-x=x(2x-1)
(2)x2-16y2=((x=4y)(x-4y)
(3)9a2-24ab+16b2
=((3a-4b)²