I get confused with the parentheses;

7-3(4-5)
I know that the next step is:
7-3(-1) and then I get stuck.....help me.

Thank you

2 answers

PEMDAS
Parentheses
Exponents
Multiply
Divide
Add
Subtract

7-3(-1)

7 + 3 = 11
oops, 10.