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all i need to know is if its correct or not
if its not, then explain.
To simplify this, you must know the difference of cubes: \[(a^3-b^3) = (a-b)(a^2+ab+b^2)\]
So plug in the root, x^3 is x, and 729 to the 3rd root is 9, plug in x^3 and 9 into the formula
\[(x-9)(x^2+9x+81)\]
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so im right?
So the factors are (x-9) and (x^2+9x+1), x-9 is correct
Medal?
wait but isn't c correct also
wait no nevermind :)
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