document.write( "Question 156520: Solve.
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document.write( "Not sure how to write square root, \r
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document.write( "(square root 3x+24) = x+2\r
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document.write( "I know a sqiare root is the opposite of exponent 2, not sure how to work this. \n" );
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Algebra.Com's Answer #115295 by stanbon(75887) ![]() You can put this solution on YOUR website! (square root 3x+24) = x+2 \n" ); document.write( "------------- \n" ); document.write( "Square boh sides: \n" ); document.write( "3x + 24 = (x+2)^2 \n" ); document.write( "3x + 24 = x^2 + 4x + 4 \n" ); document.write( "x^2 +x -20 = 0 \n" ); document.write( "(x+5)(x-4) = 0 \n" ); document.write( "x = -5 or x = 4 \n" ); document.write( "===================== \n" ); document.write( "Check these answers in sqrt(3x+24) = x+2: \n" ); document.write( "x = -5 ? : sqrt(-15+24) = -5+2 = sqrt(9) = 3 : OK \n" ); document.write( "x = 4 ? : sqrt(12+24) = 6 : OK \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " \n" ); document.write( " |