因式分解:(a+1)(a+3)(a+5)(a+7)+15 a(a-b+2)-6b(b+1)(a+1)(a+3)(a+5)(a+7)+15a(a-b+2)-6b(b+1)
问题描述:
因式分解:(a+1)(a+3)(a+5)(a+7)+15 a(a-b+2)-6b(b+1)
(a+1)(a+3)(a+5)(a+7)+15
a(a-b+2)-6b(b+1)
答
因式分解:(a+1)(a+3)(a+5)(a+7)+15 a(a-b+2)-6b(b+1)
(a+1)(a+3)(a+5)(a+7)+15
a(a-b+2)-6b(b+1)