document.write( "Question 1015723: 3x^2+3x-3 and need to plug in f(3x) \n" ); document.write( "
Algebra.Com's Answer #632077 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
everywhere there is an x, put 3x
\n" ); document.write( "3(3x)^2+3(3x)+3=
\n" ); document.write( "27x^2+9x+3, remembering that (3x)^2=3^2*x^2
\n" ); document.write( "
\n" );