Respuesta:
Explicación paso a paso:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
Explicación paso a paso:
x² + 2x = 15
x² + 2x - 15 = 0
x² + 5x - 3x - 15 = 0
x(x + 5) - 3(x + 5) = 0
(x + 5) * (x - 3) = 0
x + 5 = 0
x - 3 = 0
x = -5
x = 3
x¹ = -5, x² = 3