Question

7m-n+49m^2-n^2 разложить на множители

Answer 1

7m – n + 49m^2 – n^2 = 7m – n + (7m – n)(7m + n) = (7m – n)(1 + 7m + n)
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Answer 2

$7m-n+49m^2-n^2 = \\ = (7m-n)+(49m^2-n^2) = \\ = (7m-n)+(7m-n)(7m + n) = \\ = (7m-n)(1 + 7m + n)$