Question

✓x=x-2 factorisation​

Answer 1

✓x=x-2

square both side,

=> x = (x-2)^2

=> x = x^2 - 2.x.2 + 2^2

=> x^2 - 4.x + 4 - x = 0

=> x (x - 4) - 1 (x - 4) = 0

=> (x - 4) (x - 1) =0

so, (x-4) = 0 or, (x-1) =0

x = 4 , or x = 1