323,345 views
28 votes
28 votes
200m^4+80m^3+8m^2=0

I got m = 0, -5 but I could be wrong

User Dollar
by
3.1k points

2 Answers

13 votes
13 votes

Answer:

m= 0, -0.2

Explanation:

that's what I got when I did it

User Reorx
by
3.2k points
19 votes
19 votes

Answer:

  1. m = 0
  2. m = -1/5
  3. m = -1/5

Explanation:

200m^4 + 80m^3 + 8m^2 = 0

~Factor

8m²(5m + 1)(5m + 1) = 0

~Set everything to equal 0 and solve

8m² = 0 → m² = 0 → m = 0

5m + 1 = 0 → 5m = -1 → m = -1/5

5m + 1 = 0 → 5m = -1 → m = -1/5

Best of Luck!

User Fiyaz Hasan
by
2.7k points