Question

(х-5) в кубе -25=100

Answer 1

(x-5)³ = 100 + 25 = 125 = 5³,
x - 5 = 5,
x = 5 + 5 = 10.

Answer 2

$(x-5)^3-25=100;\ (x-5)^3=125;\ (x-5)^3=5^3;\ x-5=5;\ x=5+5;\ x=10.$