因式分解 2(a^2+b^2)(a+b)^2-(a^2-b^2)^2

2024-12-23 09:36:56
推荐回答(2个)
回答1:

2(a^2+b^2)(a+b)^2-(a^2-b^2)^2
=2(a²+b²)(a+b)²-(a+b)²(a-b)²
=(a+b)²(2a²+2b²-a²-b²+2ab)
=(a+b)²(a²+2ab+b²)
=(a+b)^4

回答2:

2(a^2+b^2)(a+b)^2-(a^2-b^2)^2=2(a²+b²)(a+b)²-(a+b)²(a-b)²
=(a+b)²(2a²+2b²-a²-b²+2ab)
=(a+b)²(a²+2ab+b²)
=(a+b)^2(a+b)^2
=(a+b)^4