document.write( "Question 723254: 7(x+4)+3x(x+4)= \n" ); document.write( "
Algebra.Com's Answer #443112 by checkley79(3341)\"\" \"About 
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7(x+4)+3x(x+4)=
\n" ); document.write( "(7+3x)(x+4)
\n" ); document.write( "7x+28+3x^2+12x
\n" ); document.write( "3x^2+19x+28 ans.\r
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