document.write( "Question 908698: Factor by grouping x^3+7x^2+4x+28 \n" ); document.write( "
Algebra.Com's Answer #551228 by richwmiller(17219)\"\" \"About 
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x^3+7x^2+4x+28
\n" ); document.write( "x^2(x+7)+4*(x+7)
\n" ); document.write( "(x^2+4)*(x+7)
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