Question 308567
When a product of two quantities equals 0, then one of those quantities must equal 0.  In this case, there are two solutions.


(2x+2)(5x-5)=0


First solution:
2x+2=0
2x=-2
x=-1


Second solution:
5x-5=0
5x=5
x=1


Dr. Robert J. Rapalje, Retired