Birdwatch Note Rating
2023-11-22 11:57:13 UTC - HELPFUL
Rated by Participant: 7DC90334E832170A9EAB1485B35CE029407193792CBD3ED0DEEB5009D579E923
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Original Note:
All operations applied on all steps are correct except for the removal of the common factor (a-b) In math you can do that only if the expression is not equal to zero otherwise any two numbers can be considered equal E.g: 0x8 = 0x6 = 0 -> (Removing Zero) -> 8 = 6 (Which is not) https://math.stackexchange.com/questions/4479287/eliminating-x-0-from-an-equation-when-x-can-be-equal-to-all-real-numbers
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