Question

alguem que saiba fazer isso

Answer 1

a) X=5
b) X=16
c) X= -3
d) X=1

Answer 2

x² = 25  → x = √25 → x = 5

√x = 4 → ( √x )² = 4²  → x = 16

x³ = - 27 → x = ∛-3³ → x = - 3

√x = 1

( √x )² = 1² → x = 1