15x'2+x-2,5x'2+6xy-8y'2
问题描述:
15x'2+x-2,5x'2+6xy-8y'2
答
(3x-1)(5x+2)
(x+2y)(5x-4y)
15x'2+x-2,5x'2+6xy-8y'2
(3x-1)(5x+2)
(x+2y)(5x-4y)