Question

1-x^6 如何 因式分解?要过程

Answer 1

1-x^6=1^2-(x^3)^2=(1+x^3)(1-x^3)=(1+x)(1-x+x^2)(1-x)(1+x+x^2)免费数学习题试题下载学习网math.jxt123.网com

Answer 2

用平方差公式，上式=(1-x^3)(1-x^3)

Answer 3

=（1+x^3）(1-x^3)
=(1+x)(1-x+x^2)(1-x)(1+x+x^2)