Question

Find the value of x... 5^2x+3=25^-3​

Answer 1

Answer:

${5}^{2x + 3} = {25}^{ - 3} \\ {5}^{2x + 3} = {5}^{ - 3 \times 2} \\ 2x + 3 = - 6 \\ 2x = - 6 - 3 \\ 2x = - 9 \\ x = \frac{ - 9}{2}$