Answer:
6-(4+n)
n=6-4
n=2
it may be answer
- 17
Step-by-step explanation:
[tex]3m - (m { }^{2} + n \:) \\ = (3 \times 2) - (2 { }^{2} + 19) \\ = 6 - (4 + 19) \\ =6 - 23 \\ = - 17 [/tex]
