document.write( "Question 290078: How do you solve-\r
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document.write( "A squared + 15 = 2A squared - 65? \n" );
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Algebra.Com's Answer #209938 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! A squared + 15 = 2A squared - 65?\r \n" ); document.write( "\n" ); document.write( "a^2 + 15 = (2a)^2 - 65 \n" ); document.write( "a^2 + 15 = 4a^2 - 65 \n" ); document.write( "3a^2 = 80 \n" ); document.write( "a^2 = 80/3 \n" ); document.write( "a = sqrt(80) \n" ); document.write( "a = sqrt(16*5) \n" ); document.write( "a = sqrt(16)*sqrt(5) \n" ); document.write( "a = 4*sqrt(5) \n" ); document.write( " |