1 answer
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First, we need to simplify the expression using the order of operations (PEMDAS).
[(1 + 2)^2 x 4] - (4 - 1)^2
= [(3)^2 x 4] - (3)^2
= (9 x 4) - 9
= 36 - 9
= 27
So, the correct answer is 27.