document.write( "Question 294772: 9) Solve by using quadratic formula x2 + 2x – 4 = 0
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Algebra.Com's Answer #212548 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Do not submit more than one problem at a time
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\n" ); document.write( "Limit of 4 problems daily (daily not at a time)
\n" ); document.write( "So you used up your quota for the day in one submission.\r
\n" ); document.write( "\n" ); document.write( "x^2 is x^2 not x2 which can be understand as 2x
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