document.write( "Question 75222: Solve\r
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document.write( "x(x+3)- 2=2+x(x+1)\r
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document.write( "not in book \n" );
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Algebra.Com's Answer #56100 by ivy12003(22)![]() ![]() ![]() You can put this solution on YOUR website! x(x + 3) - 2 = 2 + x(x + 1) \n" ); document.write( "x^2 + 3x - 2 = 2 + x^2 + x \n" ); document.write( "3x - 2 = 2 + x \n" ); document.write( "2x = 4 \n" ); document.write( "x = 2\r \n" ); document.write( "\n" ); document.write( "To check, sub x = 2 into equation.\r \n" ); document.write( "\n" ); document.write( "x(x + 3) - 2 = 2 + x(x + 1) \n" ); document.write( "2(2 + 3) - 2 = 2 + 2(2 + 1) \n" ); document.write( "2(5) - 2 = 2 + 2(3) \n" ); document.write( "10 - 2 = 2 + 6 \n" ); document.write( "8 = 8 \n" ); document.write( " |