Упростите выражение:
1)
[tex]( \frac{c + 2}{ {c}^{2} - c - 6 } - \frac{2c}{ {c}^{2} - 6c + 9} ) \div \frac{ {c}^{2} + 3c }{(2c - 6)} [/tex]
2)
[tex]( \frac{3}{m - 4} + \frac{m2}{m + 1} + \frac{4m - 6}{ {m}^{2} -3m - 4} ) \times \frac{4m - 16}{2m - 3} [/tex]
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