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Theory

Remove parentheses

Sometimes, parentheses are added in a mathematical expression solely for clarity, but for the sake of correctness they could just as easily be removed. A few examples are as follows.

4 + (5 - 2) (4 \cdot 3) \cdot 8 = 4 + 5 - 2 = 4 \cdot 3 \cdot 8

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