Question

Help a friend in need pls. Maths question inside.

Answer 1

$a {x}^{2} + a - {a}^{2} x - x = 0 \\ a {x}^{2} - {a}^{2} x + a - x = 0 \\ ax(x - a) - 1(x - a) = 0 \\ (ax - 1)(x - a) = 0 \\ x = 1 \div a \: and \: a$
so X =1/a and a

Answer 2

Answer is given in the pic.