document.write( "Question 281479: approximate to the nearest tenth the real root of the equation f(x)=x^3-4=0. im not sure how to do this. please help thanks \n" ); document.write( "
Algebra.Com's Answer #204473 by Earlsdon(6294)\"\" \"About 
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Solve for x:
\n" ); document.write( "\"x%5E3-4+=+0\" Add 4 to both sides.
\n" ); document.write( "\"x%5E3+=+4\" Take the cube root of both sides.
\n" ); document.write( "\"x+=+1.587\" Round to the nearest tenth.
\n" ); document.write( "\"highlight%28x+=+1.6%29\"
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