作业帮(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
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(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
=25x²-4y²-9x²+4y²
=16x²
(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
=(25x²-4y²)-(9x²-4y²)
=25x²-4y²-9x²+4y²
=16x²
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(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
=(25x²-4y²)-(9x²-4y²)
=25x²-4y²-9x²+4y²
=16x²
很高兴为您解答，祝你学习进步！【the1900】团队为您答题。
有不明白的可以追问！如果您认可我的回答。
请点击下面的【选为满意回答】按钮，谢谢！
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(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
=25x^2-4y^2-9x^2+4y^2
=16x^2
化简:5(x-y)+2(x+y)-3(x-y)
已知x-y/x+y=3,求代数式5(x-y)/x+y-x+y/2(x-y)
(2x-3y)-(5x-y)
(2X-3y)-(5x-y)
(2x-5y)(3x+y)
因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+（x-3y)(x-5y)+(x-2y)(x-4y)
(2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
[(x+2y)(x-2y)-(2x-y)^2+(3x-y))2x-5y)]/(-x)我急用
[(x+2y)(x-2y)-(2x-y)²+(3x-y(2x-5y)]/(-x)的解答
(5x+2y)(5x-2y)-(3x+2y)(3x-2y)
2(2x+3y)(3x+2y)-(6x-y)(2x-5y)
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(2x -y)(3x-2y)+(y-x)(2x-5y)
(2x-y)(3x-2y)+(y-x)(2x+5y)
x+y/2+x-y/6=5 2(x+y)-3(x-y)=-2
(2x-y)(3x-4y)-2(x-y)(2x-5y)简便运算
5/4(x+y)(-x-y)^3*[-4/3(x-y)]*[-3/5(y-x)^2]