Question

factorización de x (×+9)= 3 (x-3)​

Answer 1

x (x+9) = 3 (x-3)​

x² + 9x = 3x - 9

x² + 9x - 3x + 9 = 0

x² + 6x + 9 = 0

x           + 3

x           + 3

3x + 3x = 6x

(x+3)(x+3) = 0

x + 3 = 0      x + 3 = 0

x = - 3        x = - 3

CS = ( -3)

Eternamente axllxa