Answer:
-1
Explanation:
I2 - 5I - (12 / 4 - 1)²
= I2 - 5I - (3 - 1)²
= I2 - 5I - (2)²
= I2 - 5I - (4)
= I-3I - 4
= 3 - 4
= -1
So, the answer is -1
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