Question

pls answer the question quickly..

Answer 1

5x-3.  32x-8 = 225                  = 3 × 75                  = 3 × 3 × 25                   = 3 × 3 × 5 × 5 ∴ 5x-3.  32x-8 = 52 × 32 Comparing both the sides we get x − 3 = 2 ⇒ x = 5  (You can compare even the other one also. The result will be same)