Question

1/9x^2+11/3x=80

Answer 1

x={-1/48, 1/15}

Answer 2

let z = 1/3x
then the equation becomes
z^2 + 11z -80 = 0
(z + 16)(z - 5) = =
so z = -16 or 5
therefore
1/3x = -16 and this gives x = -1/48
or 1/3x = 5 and this gives x = 1/15

Answer 3

ok kia?