document.write( "Question 409678: I am needing some help with this word problem. \r
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document.write( "in solving the equation (x+3)(x+1)=48, Eric stated the solution would be x+3=48=>x=45
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document.write( "or
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document.write( "(x+1)=48=>x+47
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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. \n" );
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Algebra.Com's Answer #288292 by edjones(8007)![]() ![]() 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 \n" ); document.write( " |