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Home > GC > Chapter 8 > Lesson 8.2.1 > Problem 8-69

8-69.

If the rectangles below have the same area, find . Is there more than one answer? Show all work.  

Two shapes. The first is a square with 2, x, labeled on one side. The second is a rectangle. The base is labeled, x plus, 10. The height is labeled, 2, x, minus, 3.

If the areas are the same, how can you set up an equation to solve for ?

Based on this equation, can there be two answers?
Remember with the area of a rectangle being , you end up with .