document.write( "Question 1072273: Find x. The angle B is a right angle: http://imgur.com/a/xV8jA
\n" ); document.write( "I'm not sure if I've got the answer right.
\n" ); document.write( "I have solved it but came to get the answers 0 or 12 but can x really be equal to 0? Since when you sub x=0 back in, you get -4 at AB and length cannot be negative... right?\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #687174 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Find x. The angle B is a right angle: http://imgur.com/a/xV8jA
\n" ); document.write( "I'm not sure if I've got the answer right.
\n" ); document.write( "I have solved it but came to get the answers 0 or 12 but can x really be equal to 0? Since when you sub x=0 back in, you get -4 at AB and length cannot be negative... right?
\n" ); document.write( "
You’re correct. When you sub 0 for x, side AB will be – 4, and distance/length measurement CANNOT be negative. 
\n" ); document.write( "So, you are correct. Good job!! \n" ); document.write( "
\n" );