2 задание срочно!!!!

Question

2 задание срочно!!!!

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Answer 1

2a) (7m - 4)/m² + (2m - 7)/m = (7m - 4 + 2m² - 7m)/m² =
= (2m² - 4)/m²
2б) 4/k - 6/(k+3) = (4k + 12 - 6k)/k(k+3) = (12- 2k)/k(k+3)