121(x-y)^2-36(x+y)^2因式分解

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121(x-y)^2-36(x+y)^2因式分解
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121(x-y)^2-36(x+y)^2因式分解
121(x-y)^2-36(x+y)^2因式分解

121(x-y)^2-36(x+y)^2因式分解
121（x-y)＾2－36(x+y)＾2
=[11(x-y)+6(x+y)][11(x-y)-6(x+y)]
=（11x-11y+6x+6y)(11x-11y-6X-6y)
=(17x-5y)(5x-17y)

121(x-y)^2-36(x+y)^2
=【11（x-y)】²-【6（x+y）】²
=（11x-11y+6x+6y)(11x-11y-6X-6y)
=(17x-5y)(5x-17y)

x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2 化简y(x+y)+(x+y)(x-y)-x^2 (x-y)^2+12(x-y)+36 (x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2 【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y) 因式分解x(x+y)(x-y)-x(x+y)^2 121(x-y)^2-36(x+y)^2因式分解 因式分解(x+y)^2y^2-12(x+y)y^2+36y^2-y^4 [(x-y)^2-(x+2y)(x-2y)]/y 计算:y-x分之x+y+x-y分之y-y-x分之2x-y 3(x+y)+2(x-y)=36 4(x+y)-5(x-y)=2 x^2(x-y)+(y-x) x(x-y)2-(y-x)3 【(x-y)^2+(x+y)(x-y)】除以 2x [(x-y)²+(x+y)(x-y)]除以2x [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