Suppose a and b are integers. How many solutions are there to the equation ab=2a+3b
a= 0 and b = 0 is one solution :)
There are a number of whole integer solutions, such as:
a=1, b= -1
a=2, b= -4
a=4, b= 8
a=5, b=5
a=6, b=4
a=9, b=3............etc.
