Answer:
-200
Step-by-step explanation:
We are given that:
Simply insert this values into their correspondents in the equation given.
(-5 + (-15)) * (-5 - (-15))
Subtracting two negatives is like adding a positive and a negative.
(-5 + (-15)) * (-5 + 15)
Solve inside the parenthesis.
(-20) * (10)
Multiply.
-200
