Question

Griven 4725 = 3^x - 5^y×7^z, find the numerical value of x, y, and z​

Answer 1

4725 = 3^x×5^y×7^z

do prome prime factorization

4725=3×3×3×5×5×7

4725=3^3×5^2×7^1

3^3×5^2×7^1=3^x×5^y×7^a

x=3

y=2

y=1