6. Exponential & Logarithmic Functions - 2! 2부

6. Exponential & Logarithmic Functions / Solving Exponential and Logarithmic Equations / 문제 5

문제 5

Solve the logarithmic equation for x and provide an exact solution:
log₄ (x² - 225) - log₄ (x + 15) = 1

{19}

{25}

{19, 25}

{28}

Solve the logarithmic equation for x and provide an exact solution:log4 (x2 - 225) - log4 (x + 15) = 1