因式分解:(1)3x²+8xy-3y² (2)x²-4xy-96y²
问题描述:
因式分解:(1)3x²+8xy-3y² (2)x²-4xy-96y²
答
(1)
3x²+8xy-3y²
=(3x-y)(x+3y)
(2)
x²-4xy-96y²
=(x+8y)(x-12y)