document.write( "Question 21929: (x-4)(x+4)= -30\r
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document.write( "I need to solve this but am not sure if I am doing it right \n" );
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Algebra.Com's Answer #10571 by algebrapro18(249)![]() ![]() ![]() You can put this solution on YOUR website! well first foil \r \n" ); document.write( "\n" ); document.write( "(x-4)(x+4)= -30 \n" ); document.write( "x^2-16 = -30\r \n" ); document.write( "\n" ); document.write( "now solve \r \n" ); document.write( "\n" ); document.write( "x^2-16=-30 \n" ); document.write( "x^2-14=0 \n" ); document.write( "x^2=14 \n" ); document.write( "x = + or - |