SOLUTION: Short Answer. The length of the side of a rectangular desk is given by 9x - 2y cm. The length of the front is given by 9x + 2y cm. What is an algebraic expression for the area of t

Question 381396: Short Answer. The length of the side of a rectangular desk is given by 9x - 2y cm. The length of the front is given by 9x + 2y cm. What is an algebraic expression for the area of the top of the rectangular desk? Include correct units as part of your answer.
Found 2 solutions by richard1234, mananth:
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
The area is (9x - 2y)(9x + 2y) = 81x^2 - 4y^2 cm^2 (by the difference of two squares theorem).
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
side of a rectangular desk is given by 9x - 2y cm.
The length of the front is given by 9x + 2y cm.
...
Area = L*W
(9x-2y)(9x+2y)=Area
(81x^2-4y^2)cm^2= Area
...
m.ananth@hotmail.ca
RELATED QUESTIONS
Short Answer. The length of the side of a rectangular desk is given by 9x - 2y cm. The... (answered by mananth)
Help??? Im more than lost, any explanation would be appreciated! Thank You!! Short... (answered by edjones)
Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The... (answered by richard1234)
Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The... (answered by richard1234)
Short Answer. The length of the side of a rectangular desk is given by x - 4y cm. The... (answered by ankor@dixie-net.com)
Short Answer. The length of the side of a rectangular desk is given by x - 4y cm. The... (answered by richard1234)
Short Answer. The length of the side of a rectangular desk is given by x - 4y cm. The... (answered by richard1234)
Short Answer. The length of the side of a rectangular desk is given by 7x - 9y cm. The... (answered by mathie123,Alan3354)
Hi Tutors: Can you help me with this homework problem please. Thanks in advance. Short... (answered by mananth)