SOLUTION: Short Answer. The length of the side of a rectangular desk is given by 7x - 9y cm. The length of the front is given by 7x + 9y cm. What is an algebraic expression for the area of t

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Short Answer. The length of the side of a rectangular desk is given by 7x - 9y cm. The length of the front is given by 7x + 9y cm. What is an algebraic expression for the area of t      Log On


   

Question 549785: Short Answer. The length of the side of a rectangular desk is given by 7x - 9y cm. The length of the front is given by 7x + 9y 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 mathie123, Alan3354:
Answer by mathie123(224) About Me  (Show Source):
You can put this solution on YOUR website!
A=l%2Aw
A=%287x-9y%29%2A%287x%2B9y%29cm^2
A=49x%5E2%2B63xy-63xy-81y%5E2cm^2
A=49x%5E2-81y%5E2cm^2


_____________________________________________________________________
Hopefullly this helps!
Romans 5:8

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Leviticus 20:9 too.