document.write( "Question 1031901: Solving equations by factoring:
\n" ); document.write( "3zē=12z
\n" ); document.write( "I know the answer is {0,4} from the back of the book
\n" ); document.write( "I'm just not sure how to get it.
\n" ); document.write( "

Algebra.Com's Answer #646579 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"3z%5E2=12z\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3z%5E2-12z=0\"\r
\n" ); document.write( "\n" ); document.write( "\"3z%28z-4%29=0\"\r
\n" ); document.write( "\n" ); document.write( "3z=0 OR z-4 =0\r
\n" ); document.write( "\n" ); document.write( "z= 0 OR z=4\r
\n" ); document.write( "\n" ); document.write( "(0,4)
\n" ); document.write( "
\n" );