Question

(3x-1/x)² fini it's solution ​

Answer 1

Answer:

Step-by-step explanation:

(3x-1/x)²

= $(3x)^{2}+(\frac{1}{x}) ^{2} -2*3x*\frac{1}{x} = 9x^{2} +\frac{1}{x^{2} } -6$

Answer 2

Step-by-step explanation:

(3x-1/x)1/x

3x/x-1/x

3x/x-1/x=3x-1

x=1+3

x=4