Question

comprobacion de x²+9x+14=0 ecuaciones cuadratucas​

Answer 1

x² + 9x + 14 = 0

x            +7

x           + 2

7x - 2x = 9x

(x+7)(x + 2) = 0

x + 7 = 0          x + 2 = 0

x = -7               x = -2

CS = (-7; -2)

Eternamente axllxa