Answer:
1. n = 0.2
2. n ≈ 1.396577191 or n ≈ -1.521577191
Step-by-step explanation:
Q1:
[tex]5(n-2)+9 = 0[/tex]
[tex]5n-10 = -9[/tex]
[tex]5n = 1[/tex]
[tex]n = 0.2[/tex]
Q2:
Use the quadratic formula on your calculator.