Найдите x, если: а) $2x^3 = -250$; б) $2x^4 = 162$; в) $5x^5 = 160$; г) $3x^6 = 192$.
$2x^3 = -250$ $x^3 = -125$ x = −5
$2x^4 = 162$ $x^4 = 81$ x = ±5
$5x^5 = 160$ $x^5 = 32$ x = 2
$3x^6 = 192$ $x^6 = 64$ x = ±2