因式分解(3x+2y)(9x^2-6xy+4y^2)(3x+2y)(9x^2-6xy+4y^2)因式分解等等好像是说要简化!

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因式分解(3x+2y)(9x^2-6xy+4y^2)(3x+2y)(9x^2-6xy+4y^2)因式分解等等好像是说要简化!

因式分解(3x+2y)(9x^2-6xy+4y^2)(3x+2y)(9x^2-6xy+4y^2)因式分解等等好像是说要简化!
因式分解(3x+2y)(9x^2-6xy+4y^2)
(3x+2y)(9x^2-6xy+4y^2)因式分解
等等好像是说要简化!

因式分解(3x+2y)(9x^2-6xy+4y^2)(3x+2y)(9x^2-6xy+4y^2)因式分解等等好像是说要简化!

这哪是因式分解,乘法公式吧!!因式分解已经完成了啊!!

(3x+2y)(9x^2-6xy+4y^2)

=(27x^3-18x^2y+12xy^2)+(18x^2y-12xy^2+8y^3)

=27x^3+8y^3

(3x+2y)(9x^2-6xy+4y^2)
=(3x)^3+(2y)^3
=27x^3+8y^3

(3x+2y)(9x^2-6xy+4y^2)
=(3x+2y)(3x-2y)²