(2x-3y)²(2x+3y)²(4x²+9y²)²化简
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 03:29:20
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(2x-3y)²(2x+3y)²(4x²+9y²)²化简
(2x-3y)²(2x+3y)²(4x²+9y²)²
化简
(2x-3y)²(2x+3y)²(4x²+9y²)²化简
(2x-3y)²(2x+3y)²(4x²+9y²)²
= [(2x-3y)(2x+3y)]²(4x²+9y²)²
=(4x²-9y²)²(4x²+9y²)²
= [(4x²-9y²)(4x²+9y²)]²
=(16x的四次方-91y的四次方)²
=(4x^2-9y^2)^2*(4x^2+9y^2)^2
=(16x^4-81y^4)^2