Question

x(x+3)=5x+3 me pueden ayudar xfavor

Answer 1

Resolver.

x(x + 3) = 5x + 3
x² + 3x = 5x + 3
x² + 3x - 5x- 3 = 0
x² - 2x - 3 = 0  Factorizas trinomio de la forma x² + bx + c
(x - 3)(x + 1) = 0  Tiene 2 soluciones reales
x - 3 = 0
x = 3
  o
x + 1 = 0
x = -1

Solucion:
(3 , - 1)