iop360
how do you factor x^4 + 64
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mattt9
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it's factored i'm pretty sure
mattt9
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if it were x^4-64: different story
iop360
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rly? the question gives the hint that you must add and subtract \[16^2\] & the answer is \[(x^2-4x+8)(x^2+4x+8)\], but i'm not sure how you do the work to get that answer >.<;
mattt9
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ah sorry, my bad yeah you're right..
mattt9
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try completing the square
iop360
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thanks :)