document.write( "Question 627002: 7x^3+63x^2+7x+63 completely factor \n" ); document.write( "
Algebra.Com's Answer #394664 by ankor@dixie-net.com(22740)\"\" \"About 
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7x^3+63x^2+7x+63 completely factor
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\n" ); document.write( "we can group factor here
\n" ); document.write( "7x^2(x+9) + 7(x+9)
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\n" ); document.write( "factor out (x+9)
\n" ); document.write( "(x+9)(7x^2+7)
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\n" ); document.write( "factor out 7
\n" ); document.write( "7(x^2 + 1)(x + 9)
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