Respuesta :

Positive × Positive = Positive
3 × 2 = 6
m × n = mn

Positive × Negative = Negative
8 × -4 = -32
m × -n = -mn

Negative × Negative = Positive
-5 × -4 = 20
-m × -n = mn
(-x) × (-x) = x²

The same rules apply for division as multiplication.