document.write( "Question 309012: I need to find all real or imaginary solutions to this equation.
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document.write( "Use the method of your choice.\r
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document.write( "√7x+29 = x + 3 note: sqrt extends over 7x+29
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Algebra.Com's Answer #220964 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Use the method of your choice. \n" ); document.write( " \n" ); document.write( "Square both sides \n" ); document.write( "7x + 29 = (x + 3)^2 \n" ); document.write( "FOIL the right sides \n" ); document.write( "7x + 29 = x^2 + 6x + 9 \n" ); document.write( "Combine like terms on the right \n" ); document.write( "0 = x^2 + 6x - 7x + 9 - 29 \n" ); document.write( "A quadratic equation \n" ); document.write( "x^2 - x - 20 = 0 \n" ); document.write( "Factors to \n" ); document.write( "(x-5)(x+4) = 0 \n" ); document.write( "two solutions \n" ); document.write( "x = +5 \n" ); document.write( "x = -4 \n" ); document.write( "; \n" ); document.write( "check both solution in original equation \n" ); document.write( "x = 5 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "8 = 8, a good solution \n" ); document.write( ": \n" ); document.write( "x=-4 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "+1 does not = -1, not a good solution \n" ); document.write( " |