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Mathematics 17 Online
OpenStudy (anonymous):

how do you simplify x^3-8

OpenStudy (amistre64):

by using the formula for a diff of cubes

OpenStudy (amistre64):

but i spose that would depend on what you eman by simplify

OpenStudy (anonymous):

(-2+x) (4+2 x+x^2)

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=x%5E3+-+y%5E3

OpenStudy (anonymous):

im trying to solve x\[^{3}\]-8 not equal to 0

OpenStudy (anonymous):

sorry x^3 -8 not equal to 0

OpenStudy (anonymous):

x=2

OpenStudy (amistre64):

then as long as x not equal 2 you should be fine

OpenStudy (anonymous):

how do you get that

OpenStudy (amistre64):

2^3 = 8

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