(x一y)(x一y一3)一10因式分解
问题描述:
(x一y)(x一y一3)一10因式分解
答
设x-y=a则原式=a(a-3)-10=a²-3a-10=(a+2)(a-5)所以原式=(x-y+2)(x-y+5)不懂再问 谢谢
(x一y)(x一y一3)一10因式分解
设x-y=a则原式=a(a-3)-10=a²-3a-10=(a+2)(a-5)所以原式=(x-y+2)(x-y+5)不懂再问 谢谢