Question

x + x²= 42

cuanto vale la x?

Answer 1

x + x ^2 = 42 Ordenando la variable "x": x^2 + x = 42 x • (x + 1) = 42 x • ( x + 1) = 6 • (7) x = 6 Comprobación: (6)^2 + 6 = 42 36 + 6 = 42 42 = 42