Question

if x minus one upon X equal to 7 evaluate first X square + 1 upon x square if x if x subtract one upon X equal to 7 evaluate X square + 1 upon x square ​

Answer 1

Answer:

Step-by-step explanation:

x-1/x=7

Squaring both sides

(x-1/x)^2=7^2

x^2+1/x^2+2*x*1/x=49

x^2+1/x^2=49-2=47