Question

pls elaborately solve this and send it . If it is incomplete I will not mark them the brainliest

Answer 1

Answer:

it's a k - method therefore let x2 be k and solve

Answer 2

Answer:

$your \: answer \: is \: = \: x \: - \frac{1}{x} = 10 \: ans$

For step by step explanation, prefer to the attachment

have an nice day ahead !!!