Question

I just need the 4th one solved
( unrelated stuff will get reported )​

Answer 1

Step-by-step explanation:

$\frac{ {m }^{2} + 5}{ {m}^{2} } = 3 \\ {m}^{2} + 5 = 3 {m}^{2} \\ 3 {m}^{2} - {m}^{2} - 5 = 0 \\ 2 {m}^{2} - 5 = 0 \\ 2 {m }^{2} + 0m - 5 = 0 \\ a = 2 \: b = 0 \: c = - 5$