\(c,126-\left(x-1\right)^3=2021^0\\ \Rightarrow126-\left(x-1\right)^3=1\\ \Rightarrow\left(x-1\right)^3=125\\ \Rightarrow\left(x-1\right)^3=5^3\\ \Rightarrow x-1=5\\ \Rightarrow x=6\)
\(d,24-\left(x-1\right)^2=\left(-1\right)^{2021}\\ \Rightarrow d,24-\left(x-1\right)^2=-1\\ \Rightarrow\left(x-1\right)^2=25\\ \Rightarrow\left[{}\begin{matrix}x-1=-5\\x-1=5\end{matrix}\right.\\ \Rightarrow\left[{}\begin{matrix}x=-4\\x=6\end{matrix}\right.\)
\(126-\left(x-1\right)^3=2021^0\)
\(126-\left(x-1\right)^3=1\)
\(\left(x-1\right)^3=125=5^3\)
\(x-1=5\)
\(x=6\)
126−(x−1)3=20210126−(x−1)3=20210
126−(x−1)3=1126−(x−1)3=1
(x−1)3=125=53(x−1)3=125=53
x−1=5x−1=5
x=6
