Question

(x+3)² = -20 (y + 2)​

Answer 1

Respuesta:

$(x + 3) {}^{2} = - 20(y + 2) \\ x {}^{2} + 9 = - 20y - 40 \\ x {}^{2} + 20y = - 40 - 9 \\ 20y = x {}^{2} - 49 \\ y = \frac{x {}^{2} - 49 }{20}$

Función cuadrática