document.write( "Question 204320: Three times the square of a certain postive number exceeds six times the number by nine. Find the number? \n" ); document.write( "
Algebra.Com's Answer #154254 by RAY100(1637)\"\" \"About 
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3n^2 -9 = 6n,,,,,where n = number
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\n" ); document.write( "3n^2 -6n -9 =0
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\n" ); document.write( "(3n+3)(n-3) =0
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\n" ); document.write( "n= -1,,3
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\n" ); document.write( "(-1),,3(-1)^2 -9 =6(-1),,,3-9=-6,,,,ok
\n" ); document.write( "(3),,,3(3)^2 -9 =6(3),,,,27-9=18,,,,ok
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