Question

$1) (x-3)^{3}=343$
$2) (x-4)^{5}= -1$
$3) x^{9}= -1$

Answer 1

1.
х-3 = ∛343
х-3 = ∛7³
х-3=7
х=10
2.
х-4 = ⁵√-1
х-4=-1
х=3
3.
х=⁹√-1
х=-1