document.write( "Question 1187345: Check that the following expressions are equivalent using the values x = -2, -1, 0, 1, 2.
\n" ); document.write( "(12x^2−27)/ (3) and −(−2x+3)(2x+3)\r
\n" ); document.write( "\n" ); document.write( "Prove the equivalence of the two expressions in the previous question above using algebraic manipulation.
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Algebra.Com's Answer #818299 by ikleyn(52908)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Regarding your first request,  substitute the values into the expressions and calculate;  then compare.\r
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\n" ); document.write( "\n" ); document.write( "Doing so elementary exercises for you  IS  NOT  the tutors' job.\r
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\n" ); document.write( "\n" ); document.write( "It is   YOUR   job,  my dear visitor.\r
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