Question

If the area of a rectangle is x^2-9 and one dimension is x-3. what would be the other dimension?

Answer 1

Explanation:

x2-9 = 0

Area of one dimension = x-3= 0

So, x2= 9

Square root on both sides;

x= +3 and -3

x-3 is one side

x+3 is the other dimension