document.write( "Question 367621: Once again, I am not sure that I got the topic correct.
\n" ); document.write( "Here is the question: 9(2x+1)^3+6(2x+1)^2-15(2x+1)
\n" ); document.write( "the answer is: 12(2x+1)(3x+4)
\n" ); document.write( "I get the whole answer except the latter 4! I am just not sure!
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Algebra.Com's Answer #262033 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
9(2x+1)^3+6(2x+1)^2-15(2x+1)
\n" ); document.write( "...
\n" ); document.write( "(2x+1)(9(2x+1)^2+6(2x+1)-15)
\n" ); document.write( "..
\n" ); document.write( "(2x+1)(9(2x+1)^2+9(2x+1)-3(2x+1)-15))
\n" ); document.write( "let (2x+1)=a
\n" ); document.write( "a(9a^2+6a-15)
\n" ); document.write( "3a(3a^2+2a-5)
\n" ); document.write( "3a(3a^2+5a-3a-5)
\n" ); document.write( "3a((a(3a+5)-1(3a+5))
\n" ); document.write( "3a(3a+5)(a-1)
\n" ); document.write( "resubstitute the value of a
\n" ); document.write( "3a(3(2x+1)+5)(2x+1-1)
\n" ); document.write( "3(2x+1)(6x+3+5)(2x)
\n" ); document.write( "6x(2x+1)(6x+8)
\n" ); document.write( "12x(2x+1)(3x+4)
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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