document.write( "Question 204837: f(x)= -2x^3-2x find x if f(x) =-49 \n" ); document.write( "

Algebra.Com's Answer #154622 by checkley77(12844) $\"\"$ $\"About$

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f(x)=-2x^3-2x
\n" ); document.write( "find x if f(x)=-49
\n" ); document.write( "f(-49)=-2(-49^3)-2*-49
\n" ); document.write( "f(-49)=-2*-117,649+98
\n" ); document.write( "f(-49)=235,298+98
\n" ); document.write( "f(-49)=235,396 ans.
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