Question

if (5^2)^7=(125)^x, find x​

Answer 1

${( {(5)}^{2} )}^{7} = {125}^{x} \\ \\ {5}^{2 \times 7} = {5}^{3x} \\ {5}^{14} = {5}^{3x} \\ \\ 14 = 3x \\ x = \frac{14}{3}$