x'3+x'2+8y'3-4y'2因式分解_其他解答

x'3+x'2+8y'3-4y'2因式分解

人气：158 ℃　时间：2020-05-20 06:59:51

解答

x'3+x'2+8y'3-4y'2
=(x^3+8y^3)+(x^2-4y^2)
=(x+2y)(x^2-2xy+4y^2)+(x+2y)(x-2y)
=(x+2y)(x^2-2xy+4y^2+x-2y)