十字相乘法:2X⁴-20X²Y²+18Y⁴
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 15:39:33
十字相乘法:2X⁴-20X²Y²+18Y⁴
十字相乘法:2X⁴-20X²Y²+18Y⁴
十字相乘法:2X⁴-20X²Y²+18Y⁴
2X⁴-20X²Y²+18Y⁴
=2(x^2-9y^2)(x^2-y^2)
=2(x+3y)(x-3y)(x+y)(x-y)
十字相乘法:2X⁴-20X²Y²+18Y⁴
十字相乘法:2X⁴-20X²Y²+18Y⁴
十字相乘法:2X⁴-20X²Y²+18Y⁴
2X⁴-20X²Y²+18Y⁴
=2(x^2-9y^2)(x^2-y^2)
=2(x+3y)(x-3y)(x+y)(x-y)