document.write( "Question 49050: Solve the equation \"x%5E2%2B2x-20=28\" \n" ); document.write( "
Algebra.Com's Answer #32511 by Nate(3500)\"\" \"About 
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\"x%5E2+%2B+2x+=+48\"
\n" ); document.write( "\"%28x+%2B+1%29%5E2+=+49\"
\n" ); document.write( "\"x+%2B+1\" = +-\"7\"
\n" ); document.write( "\"x+=+-1+%2B-+7\"
\n" ); document.write( "x = -8 and x = 6
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