document.write( "Question 627633: how do you evaluate algebraic expressions?
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document.write( "Examples:\r
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document.write( "n2- 25 = ? \r
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document.write( "^^ the two next to the n is the squared symbol, so the equation is really:
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document.write( "n-squared minus twenty five
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document.write( "Could you please answer my first question and the equation?
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document.write( "Thanks! \n" );
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Algebra.Com's Answer #395199 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! write it: \n" ); document.write( "n^2 - 25 = 0 \n" ); document.write( "add 25 to both sides and you have \n" ); document.write( "n^2 = 25 \n" ); document.write( "n = \n" ); document.write( "n = +5 \n" ); document.write( "and \n" ); document.write( "n = -5 \n" ); document.write( ": \n" ); document.write( "Check replace n with 5: \n" ); document.write( "5^2 - 25 = 0 \n" ); document.write( "and \n" ); document.write( "replace n with -5 \n" ); document.write( "(-5)^2 - 25 = 0 \n" ); document.write( " |