因式分解(x²+1)²-(2x)²
问题描述:
因式分解(x²+1)²-(2x)²
答
( x” + 1 )” - (2x)"
= ( x" - 2x + 1 )( x" + 2x + 1 )
= ( x - 1 )"( x + 1 )”