Question

Tìm số nguyên x biết:
 (x³ + 12) : 14 = 60 + (-3)

Answer 1

\(\Leftrightarrow x^3=57\cdot14-12=786\)

hay \(x=\sqrt[3]{786}\)

Answer 2

\(\left(x^3+12\right):14=60+\left(-3\right)\\ x^3+12=798\\ x^3=786\\ x=\sqrt{786}\)