3 years ago

Factor mn+5m-3n-15.

Mathematics

2 answers:

rodikova [14]3 years ago

6 0

Mn + 5m - 3n - 15
(m - 3)(n + 5)

Lelechka [254]3 years ago

5 0

$mn+5m-3n-15=\boxed{m}\cdot n+\boxed{m}\cdot5\boxed{-3}\cdot n\boxed{-3}\cdot5\\\\=\boxed{m}(n+5)\boxed{-3}(n+5)=\boxed{\boxed{(n+5)(m-3)}}$

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