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???? ADD YOUR NAME TO THE MENTAL CALCULATIONS COURSE LIST: ???? https://estude.link/listacm-yv ↓ ???? PRODUCTS FOR MATHEMATICS ENTHUSIASTS: ???? https://estude.link/amazon ↓ ????️ ESTUDE MATEMÁTICA ONLINE STORE: ???? https://estude.link/loja ↓ This video is especially for you who have already left positive comments on other videos in which I solved the same equation in several different ways! The equation 8ˣ+2ˣ=130 seems innocent, but it won't take you long to realize that the set of resolution strategies that I present provides, in practice, a summary of high school-level Mathematics! By the way, Youth, Expert or Master: what's your favorite strategy? Have fun! ???? ↓ Chief enthusiast: @professorgustavoreis ↓ All links at https://estudematematica.com.br/links ↓ #estudematemática #mathematics #mathematics #equation #exponentialequation #algebraicequation #logarithm ↓ Chapters: 0:00 Introduction and “cheat sheet” 1:40 “Youth” strategy (algebraic equation and Briot-Ruffini) 16:35 “Expert” strategy (factorizing the difference between cubes) 21:42 “Master” strategy (factorizing the difference between squares)