2(x-1)²-x+1 x的四次方-y的四次方 因式分解
问题描述:
2(x-1)²-x+1 x的四次方-y的四次方 因式分解
答
解2(x-1)²-x+1=2(x-1)²-(x-1)=(x-1)[(2(x-1)-1]=(x-1)(2x-3)x的4次方-y的4次方=(x²)²-(y²)²=(x²-y²)(x²+y²)=(x-y)(x+y)(x²+y²)