document.write( "Question 409678: I am needing some help with this word problem. \r
\n" ); document.write( "\n" ); document.write( "in solving the equation (x+3)(x+1)=48, Eric stated the solution would be x+3=48=>x=45
\n" ); document.write( "or
\n" ); document.write( "(x+1)=48=>x+47
\n" ); document.write( "However, at least one of these solutions fails to work when substituted back into the original equation. Why? Help Eric; solve the problem and explain. Remember to show all work.
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Algebra.Com's Answer #288292 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
(x+3)(x+1)=48
\n" ); document.write( "x^2+4x+3=48
\n" ); document.write( "x^2+4x-45=0
\n" ); document.write( "(x+9)(x-5)=0
\n" ); document.write( "x=-9, x=4
\n" ); document.write( ".
\n" ); document.write( "Ed
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