document.write( "Question 1188473: Given that f(x) is a cubic function with zeros at −6, 0, and 4, find an equation for f(x) given that f(−7)=−8. \n" ); document.write( "
Algebra.Com's Answer #819565 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( " zeros at \"-6\", \"0\", and \"4\"
\n" ); document.write( "\"f%28-7%29=-8\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=a%28x-x%5B1%5D%29%28x-x%5B2%5D%29%28x-x%5B3%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=a%28x-%28-6%29%29%28x-0%29%28x-4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=a%28x%2B6%29%28x%29%28x-4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=a%28x%5E3+%2B+2x%5E2+-+24x%29\"...........substitute \"f%28-7%29=-8\"\r
\n" ); document.write( "\n" ); document.write( "\"-8=a%28%28-7%29%5E3+%2B+2%28-7%29%5E2+-+24%28-7%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-8=a%28-77%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a=-8%2F%28-77%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a=8%2F77\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=%288%2F77%29%28x%5E3+%2B+2x%5E2+-+24x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=%288%2F77%29+x%5E3%2B+%2816%2F77%29x%5E2+-+%28192%2F77%29x\"\r
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