Tuesday, March 31, 2015

Pls. help me factor these given, i'm new to factoring, a raised to 9 minus b raised to 9 a^9 - b^9the ^ sign is exponent, thx

This is the difference of two cubes and it returns the
product:


- = - =
( - )( + * +
)


- = ( - )( +
* + )


We notice that the 1st factor
is also a difference of two cubes:


- = (a -
b)( + ab + )( + *
)


The factorized expression is -
= (a-b)( + ab + )( + * +
).

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