Answer: 3x-x+2=4
Step-by-step explanation: 16(x^2 + 2x + 1) + 25(y^2 - 6y + 9) = 159 + 16 + 225
16(x + 1)^2 + 25(y - 3)^2 = 400
(x + 1)^2 / 25 + (y - 3)^2 / 16 = 1
The major axis is 2a, here since a^2 = 25, it is 10.
The minor axis is 2b, here since b^2 = 16, it is 8.