(9x-2y)(9x+2y)
81x^2-4y^2 in cm^2
The length of the side of a rectagular desk is given by 9x-2y cm.
The length of the front is given by 9x+2ycm. What is an algebriac expression for the area of the top of the rectangular desk? Including correct units
2 answers
Kim, check your 2-1-11,12:08pm post.