Exercise 3 Page 237

We want to multiply the given expression. First, we will rewrite it. (-6)^2=(-6)(-6) When multiplying real numbers, the product will be positive if the signs are the same and it will be negative if the signs are different. cc Same Sign & Different Signs (+)(+)=(+) & (+)(-)=(-) (-)(-)=(+) & (-)(+)=(-)In our case both numbers are negative, so the product will be positive.

-6(- 6)

MultNegNegOnePar

- a(- b)=a* b

6*6

Multiply

Multiply

36

We can verify this using a calculator.