Question

HELP ME to find the solution
to this question, ​

Answer 1

Answer:

i can give u hint ...u should do both side square and try this ..if u will not get ans then ask again......

Step-by-step explanation:

HOPE U UNDERSTOOD

Answer 2

Step-by-step explanation:

x-a=√a^2-1

squaring both sides

(x-a)^2=a^2-1

x^2+a^2-2xa=a^2-1

x^2-2xa=-1

x(x-a)=-1