document.write( "Question 161770This question is from textbook
\n" ); document.write( ": 16x^2+56x+49=0 \n" ); document.write( "
Algebra.Com's Answer #119264 by checkley77(12844)\"\" \"About 
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16x^2+56x+49=0
\n" ); document.write( "(4x+7)(4x+7)=0
\n" ); document.write( "4x+7=0
\n" ); document.write( "4x=-7
\n" ); document.write( "x=-7/4 answer.
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