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1) What does he mean in the blue box stating x^2
Looking tricky in first sight but it's easy when u solve it twice
why does he use rules that that havent been used in any previous videos? toward the end of the equation i didnt have a clue how he got some of his answers?
i didnt have a clue how he got some of his answers
why does he uses rules thta ahvent even beeen in any previous videos