Hen evaluated the expression below. 2 (12 minus 14) squared minus (negative 5) + 12 = 2 (negative 2) squared minus (negative 5) + 12 = 2 (negative 4) minus (negative 5) + 12 = negative 8 + 5 + 12 = 9.

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asked Feb 12, 2021 193k views

2 votes

Hen evaluated the expression below.

2 (12 minus 14) squared minus (negative 5) + 12 = 2 (negative 2) squared minus (negative 5) + 12 = 2 (negative 4) minus (negative 5) + 12 = negative 8 + 5 + 12 = 9.
What was hen’s error?
Hen did not multiply 2 and 12 first.
Hen evaluated Minus (negative 5) as 5.
Hen added and subtracted before multiplying.
Hen evaluated (Negative 2) squared as