document.write( "Question 238524: X² = 18 -7x\r
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Algebra.Com's Answer #175264 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! x^2 = 18 - 7x\r \n" ); document.write( "\n" ); document.write( "x^2 + 7x - 8 = 0\r \n" ); document.write( "\n" ); document.write( "(x - 2)(x + 9) = 0\r \n" ); document.write( "\n" ); document.write( "x - 2 = 0\r \n" ); document.write( "\n" ); document.write( "x = 2\r \n" ); document.write( "\n" ); document.write( "THEN\r \n" ); document.write( "\n" ); document.write( "x + 9 = 0\r \n" ); document.write( "\n" ); document.write( "x = -9\r \n" ); document.write( "\n" ); document.write( "Solution: x = 2 and x = -9 \n" ); document.write( " |