Question

5x^3-55x^2+140x como se realiza?

Answer 1

5x^3 - 55x^2 + 140x = 0
5x (x^2 - 11x + 28) = 0

5x = 0
x1 = 0

x^2 -11x + 28 = 0
(x -7)(x - 4) = 0
x2 = 7 ; x3 = 4

Respuestas: x1 = 0 ; x2 = 7 ; x3 = 4