Jillian simplified the expression 3+2⋅(14−9)2

in the following way:

3+2⋅(14−9)2
3+2⋅(5)2
3+102
3+100
103
What was the error?

Responses

Jillian incorrectly simplified by doing multiplication before addition.
Jillian incorrectly simplified by doing multiplication before addition.

There is no error, Jillian simplified correctly.
There is no error, Jillian simplified correctly.

Jillian should have added 3 + 2 in line 2 before doing (14−9)2
.
Jillian should have added 3 + 2 in line 2 before doing open paren 14 minus 9 close paren squared.

In line 3, Jillian should have simplified the exponent term 52
before multiplying 2 ⋅ 5