document.write( "Question 622808: how I solve this equation?, step by step? 6x²+x²=(18-x)² \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "how I solve this equation:\n" ); document.write( "\n" ); document.write( "I. Expand\n" ); document.write( "II. combine like terms and \n" ); document.write( "III. set to Zero\n" ); document.write( "IV. Use Quadratic formula \n" ); document.write( " 7x^2 = 324 - 36x +x^2 etc\n" ); document.write( "