Answer:
-20
Step-by-step explanation:
any positive number or negative number inside those two lines "lxl" will automatically be a positive number so 3-3 will be a zero but since there is no possible of -0 it will be 0-4 would be -4 the 4its outside the lines but inside the parentheses so that would make it a simple -4* 5 will be -20
