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OpenStudy (taepoohwae):
Can someone please show the steps gy solving z^3+27 by factoring the sum of cubes?
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OpenStudy (anonymous):
I would start off by re-writing 27 as a cube.
OpenStudy (anonymous):
(a3 + b3) = (a + b)(a2 – ab + b2).
OpenStudy (taepoohwae):
I need the problem worked out for better understanding. PLEASE!
OpenStudy (anonymous):
right, and I will talk you through every step. but you still have to DO it, right? So lets start by writing 27 as 3^3 instead. are you with me?
OpenStudy (anonymous):
the process is self explanatory.
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