利用分组分解法,将ax-by-bx+ay因式分解.
问题描述:
利用分组分解法,将ax-by-bx+ay因式分解.
答
=(ax-bx)+(ay-by)
=(a-b)x+(a-b)y
=(a-b)(x+y))
答
ax-by-bx+ay
=ax-bx+ay-by
=(a-b)x+(a-b)y
=(a-b)(x+y)
答
ax-by-bx+ay
=ax-bx+ay-by
=(a-b)x+(a-b)y
=(a-b)(x+y)