Question

Prove this ↓

Let x be rational number whose decimal expansion terminates. then x can be expressed in the form p/q, where p and q are coprime, and the prime factorisation of q is of the form 2^n 5^m where n, m are non-negative integers.​

Answer 1

Answer:

2x+3;x;9−3x

2x+3;x;3x−9

x;2x+3;3x−9

2(x+3);x;9−3x