[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x

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[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
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[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x

[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
原式=（15x²+16xy+4y²+x²-4y²）/4x
= (16x²+16xy)/4x
=4x+4y
此题是利用多项式的乘法及平方差公式进行计算的,希望你能看得懂,祝学习愉快!

[(5x+2y)(3x+2y)+(x+2y)(x-2y)]除以4x
=(15x²+6xy+10xy+4y²+x²-4y²)÷4x
=(16x²+16xy)÷4x
=4x+4y

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) x(x-y)2-(y-x)3 (2x-3y)-(5x-y) (2X-3y)-(5x-y) (2x-5y)(3x+y) (2x+y)²+(x+3y)(x-3y)-x(5x+8y)因式分解 因式分解(x-2y)(x-3y)+(x-4y)(x-5y)+（x-3y)(x-5y)+(x-2y)(x-4y) [2/3x-2/x+y(x+y/3x-x-y)]/x-y/x 化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x 计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x 化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x [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 x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 计算：x+2y/x-y+2x/y-x-3y/x-y 化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方