What's the difference between the functions f(x)=log_2(x^2-3x-4) vs g(x)=log_2(x-1)+log_2(x+4)? Although they look the same after applying the logarithm property, we really have to be careful with the domains of the functions! ----------------------------- Want more FREE math videos? I’ve also got written notes if you prefer a quick read. Check it out 👉 ----------------------------- I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 Shop my math t-shirts & hoodies on Amazon: 👉 Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you! ----------------------------- #math #algebra #mathbasics