Posted by Mike on Monday, January 31, 2011 at 6:40pm.
(Factoring a sum or difference of cubes) and (solving a polynomial equation).
- Math - Reiny, Monday, January 31, 2011 at 7:00pm
divide by 2
now you have a sum of cubes
x=-1 or x = (1 ± ?-3)/2 or (1 ± i?3)/2
- Math - MathMate, Monday, January 31, 2011 at 7:00pm
Factor the given equation into:
and use one of the identities:
to factor the given equation to linear and quadratic factors.
Hence solve the resulting linear and quadratic equations.
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