问题
解答题
分解因式
(1)ax2-16ay2(2)-2a3+12a2-18a
答案
(1)ax2-16ay2,
=a(x2-16y2),
=a(x+4y)(x-4y);
(2)-2a3+12a2-18a,
=-2a(a2-6a+9),
=-2a(a-3)2.
分解因式
(1)ax2-16ay2(2)-2a3+12a2-18a
(1)ax2-16ay2,
=a(x2-16y2),
=a(x+4y)(x-4y);
(2)-2a3+12a2-18a,
=-2a(a2-6a+9),
=-2a(a-3)2.