Harvard University Entrance Aptitude Test Tricks

[@raghvendrasingh1289]

Nice problem

[@zully756]

Thanks mwalimu

[@superacademy247]

You're welcome mwanafunzi🤩👌💕👌

[@9허공]

from 0:59 f(m) = m^4 + (m - 1)^3 + (m - 2)^2 = 2 => m^4 + m^3 - 2m^2 - m + 1 = 0
since f(1) = 0 & f(-1) = 0 and using SDM, f(m) = (m - 1)(m + 1)(m^2 + m - 1) = 0
=> m = { 1, -1, (-1 ± √5)/2 } => x = 1 + m/3 = { 4/3, 2/3, (5 ± √5)/6 }

[@dan-florinchereches4892]

Was going to post same substitution idea to simplify

[@gopagon2114]

X=4/3