因式分解x方-36

Question

如题所述

Answer 1

因式分解
x^2-36
=（x+6）（x-6）追问

最后一道题

怎么解

本回答被网友采纳

Answer 2

x²-36
=x²-6²
=(x+6)(x-6)追问

最后一题怎么解

追答

[(x²+x-6)/(x-3)]÷[(x+3)/(x²-x-6)]
=(x²+x-6)·(x²-x-6)/[(x+3)(x-3)]
=(x+3)(x-2)(x-3)(x+2)/[(x+3)(x-3)]
=(x-2)(x+2)
=x²-2²
=x²-4

Answer 3

这个是平方差公式
X²-36
=X²-6²
=(X-6)(X+6)

Answer 4

(x+6)*(x-6)追问

最后一题怎么算

Answer 5

x²-36
=x²-6²
=(x+6)(x-6)