Question

What is the the simplified form of the following expression? 5(t-1)

A t + (-5)
B 6t
C 5t + (-5)
D 5t + (-1)​

Answer 1

to simplify the equation, use the rainbow method,
5(t-1), we multiply 5 by t first to get 5t
then, multiply 5 by -1 to get -5.

hence, 5(t-1) = 5t-5, which is equal to 5t + (-5).
so your answer is C