document.write( "Question 41229: x^2+4x+4=7\r
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document.write( "How do I solve this? \n" );
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Algebra.Com's Answer #26585 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! A couple of ways...let me show you how to do it without using the quadratic formula...notice the left side is a perfect square...let's take advantage of that...we get \n" ); document.write( "x^2 + 4x + 4 = 7 \n" ); document.write( "(x + 2)^2 = 7 \n" ); document.write( "x + 2 = ± sqrt(7) \n" ); document.write( "x = -2 ± sqrt(7) \n" ); document.write( "and we're done... \n" ); document.write( " |