将多项式4x^2+4x-1因式分解

分类: 作业答案 • 2021-12-18 21:46:18

问题描述：

将多项式4x^2+4x-1因式分解

答

4x²+4x-1
=4x²+4x+1-2
=(2x+1)²-2
=(2x+1+√2)(2x+1-√2)

答

4x^2+4x-1
=4x^2+4x+1-2
=(2x+1)^2-2
=(2x+1-√2)(2x+1+√2)