Respuesta :
4x/15 = 60/x
4x² = 60 * 15
x² = 60 * 15 / 4 = 15 * 15 = 225
x = 15, -15
Hope it helps!
4x² = 60 * 15
x² = 60 * 15 / 4 = 15 * 15 = 225
x = 15, -15
Hope it helps!