Is this correct

**vermonstervt** · 07-24-2005, 06:32 PM

x(x-y) if x=-2 y=-3
-2(-2-3)
-2*-5=-10

**stapel** · 07-24-2005, 07:00 PM

What is the sign on the product of two negatives?

Eliz.

**vermonstervt** · 07-25-2005, 03:12 AM

the sign on the product of two negatives is a positive and thanks

**Unco** · 07-25-2005, 03:26 AM

What do two negative signs make? e.g. a - -b = ?

**vermonstervt** · 07-25-2005, 03:32 AM

doesnt two negative signs= a positive sign

**Unco** · 07-25-2005, 03:34 AM

Yup, check your substitution of y again.

**vermonstervt** · 07-25-2005, 03:48 AM

so the answer would be 10 and thanks i appreciate this My success in math sucks

**Unco** · 07-25-2005, 03:51 AM

Have a closer look at what you have substituted inside the brackets. Then do the multiplication by -2 again.

**vermonstervt** · 07-25-2005, 04:10 AM

x(x-y)if x=-2 y=-3
-2(-2+3)
-2*1=-2

**Unco** · 07-25-2005, 04:23 AM

Well done, Benita!

Thread: Is this correct