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March 28, 2017

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8x^3-125
X^Y^3-X^2Y^5

Pls show me steps

  • Math - ,

    8x^3-125

    This is a difference of cubes which has the pattern

    A^3 - B^3 = (A-B)(A^2 + AB + B^2)

    so 8x^3-125
    = (2x - 5)(4x^2 + 10x + 25)

    you have a typo in your second, but it looks like there would be a common factor.

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