Question

if X - 1 by x is equal
to 3 find x square minus 1 by x square​

Answer 1

x_1/x =3

3x =x_1

2x =_1

x=-1/2

x2_1 /x2

(-1/2)×(-1/2) -1 ÷(-1/2)×(-1/2)=-3/4 /1/4

= -3 is the final answer