-8 x - 9 = ?
To find the value of -8 x - 9, we can use the rule that states a negative number multiplied by a negative number is positive.
-8 x -9 = 72
To multiply -8 and -9, we can follow these steps:
Step 1: Multiply the absolute values: 8 x 9 = 72
Step 2: Determine the sign: When multiplying two negative numbers, the product is positive.
Step 3: Apply the sign to the product: Therefore, -8 x -9 = -72.
So, -8 x -9 = -72.