Question

(72-81)(5)=??

Answer 1

This means you have to multiply (72-81) by 5

Answer 2

This requires order of operations PEMDAS
P =()
E=^x (exponents)
M = *
D= /
A= +
S = -

Answer 3

so first solve what is inside (), thus (72-81) = (-9)
then take (-9)*(5)

Answer 4

72-81=-9(5)=-45