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July 22, 2014

July 22, 2014

Posted by **JustinBieber** on Thursday, January 10, 2013 at 11:25pm.

X^Y^3-X^2Y^5

Pls show me steps

- Math -
**Reiny**, Thursday, January 10, 2013 at 11:30pm8x^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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