Question

x al cuadrado -2×-3=0​

Answer 1

x² - 2x - 3 = 0

x          - 3

x          + 1

-3x + x = -2x

(x - 3)(x +1) = 0

x - 3 = 0        x + 1 = 0

x = 3              x = -1

CS = (-1; 3)

Eternamente axllxa