D.  Check Up


  1. Multiply Â«math style=¨font-family:`Times New Roman`¨ xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo»(«/mo»«mo»-«/mo»«mi»x«/mi»«mo»-«/mo»«mn»2«/mn»«mi»y«/mi»«mo»)«/mo»«mo»(«/mo»«mo»-«/mo»«mn»3«/mn»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»)«/mo»«/math» using grid multiplication without algebra tiles.

 

 

 

 

Click here for the answer.

Click here for a downloadable Check Up.