Question

Simplify the following.​

Answer 1

Answer:

M2+n2+l2

Step-by-step explanation:

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Answer 2

$(2m - 5n + 3l) {}^{2} - (2m - 5n - 3l) {}^{2} \\ we \: know \: that \\ a {}^{2} - b {}^{2} = (a + b) (a - b) \\ here \\ a = 2m - 5n + 3l \: and \: b = 2m - 5n - 3l \\ (2m - 5n + 3l + 2m - 5n - 3l)(2m - 5n + 3l - 2m + 5n + 3l) \\ (4m - 10n)(6l) \\ 24lm - 60ln$

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