因式分解x^4-6x^2+1,m^2-16n^2+6mn

2025-06-24 14:30:01
推荐回答(1个)
回答1:

x^4-6x^2+1=(x^4-6x^2+9-8)
=(x^2-3)^2-(2√2)^2
=(x^2-3+2√2)(x^2-3-2√2)
m^2-16n^2+6mn=(m+8n)(m-2n)