Question

x (x + 3 ) = 5x + 3

con la formula ax^2 + bx + c =0

Answer 1

Respuesta:

Explicación paso a paso:

x (x + 3 ) = 5x + 3

x² + 3x = 5x  + 3

x² + 3x - 5x - 3 = 0

x² - 2x - 3 = 0

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

x - 3 = 0⇒x = 3

x + 1 = 0⇒ x = -1

Las raíces son:

• x₁ = 3
• x₂ = -1