Verified Answer :

Panoyin
  1. \(\frac{(c + 8)(c - 8)}{(c - 8)(c + 3)},\)
        \(\frac{c + 8}{c + 3}\)

    2. \(\frac{n^{2} + 4n - 12}{n^{2} + 2n - 8},\)
        \(\frac{n^{2} + 6n - 2n - 12}{n^{2} + 4n - 2n - 8},\)
        \(\frac{n(n) + n(6) - 2(n) - 2(6)}{n(n) + n(4) - 2(n) - 2(4)},\)
        \(\frac{n(n + 6) - 2(n + 6)}{n(n + 4) - 2(n + 4)},\)
        \(\frac{(n - 2)(n + 6)}{(n - 2)(n + 4)},\)
        \(\frac{n + 6}{n + 4}\)

    3. \(\frac{42x^{2}y^{3}}{28x^{3}y},\)
        \(\frac{3y^{2}}{2x}\)

    4. \(\frac{m^{2} - 3m - 10}{m - 5},\)
        \(\frac{m^{2} - 5m + 2m - 10}{m - 5},\)
        \(\frac{m(m) - m(5) + 2(m) - 2(5)}{m - 5},\)
        \(\frac{m(m - 5) + 2(m - 5)}{m - 5},\)
        \(\frac{(m + 2)(m - 5)}{m - 5},\)
        \(m + 2\)

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