八年级上册的因式分解6个小小滴计算题1:(x+a)²-(y+b)²2:25(a+b)²-4(a-b)²3:18a²-504:a四次方-165:1/2p²-2pq6:a²(a-3)-a+3

问题描述:

八年级上册的因式分解6个小小滴计算题
1:(x+a)²-(y+b)²
2:25(a+b)²-4(a-b)²
3:18a²-50
4:a四次方-16
5:1/2p²-2pq
6:a²(a-3)-a+3

1:(x+a+y+b)(x+a-y-b)
2:(7a+3b)(3a+7b)
3:2(3a+5)(3a-5)

1:(x+a+y+b)(x+a-y-b)
2:(7a+3b)(3a+7b)
3:2(3a+5)(3a-5)
4:(a²+4)(a²-4)
5: