SOLUTION: Can someone show me how to work this. I know the answer is 10 but how do I get that? The GCF of 2x- 6 is 2. The GCF of 5x + 10 is 5. Find the GCF of the product (2x-6)(5x + 10).

Algebra ->  Equations -> SOLUTION: Can someone show me how to work this. I know the answer is 10 but how do I get that? The GCF of 2x- 6 is 2. The GCF of 5x + 10 is 5. Find the GCF of the product (2x-6)(5x + 10).      Log On


   



Question 78699: Can someone show me how to work this. I know the answer is 10 but how do I get that?
The GCF of 2x- 6 is 2. The GCF of 5x + 10 is 5. Find the GCF of the product (2x-6)(5x + 10).

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
EXPANDING THE TERMS (2X-6)(5X+10)WE GWT
10X^2-30X+20X-60 SO ALL TERMS END IN A ZERO THEREFORE THEY HAVE 10 AS A FACTOR THUS
10(X^2-3X+2X-6)
10(X^2-X-6)