document.write( "Question 815108: find the derivative of f(x)=x^3-4x+2 \n" ); document.write( "
Algebra.Com's Answer #490749 by luke94(89)\"\" \"About 
You can put this solution on YOUR website!
\"3x%5E2-4\"
\n" ); document.write( "remember \"x%5En+=+nx%5E%28n-1%29\" numbers without an x are treated as 0 after being differentiated
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