Question

For any two positive numbers x and y, then
(-x) (-y) =

• A. -(xy)
• B. xy
• C. x - y

Answer 1

The correct option is B xy

The product of a negative of two positive number means, the product of these positive numbers.
or
When we multiply a negative number by a negative number then the product is always positive.
i.e. (-x)(-y) = xy
Example = (-3) $\times$ (-4) = (3$\times$ 4) = 12