Question

find all real solutions: (1-x)^5-40=0

Answer 1

you just need answer or you wanna know how to solve it..

Answer 2

well \[(1-x)^5 = 40\]
\[(1 - x) = \sqrt[5]{40}\]

you can finish it

Answer 3

@ campbell_st
then, you need show that it has only one real solution..