Question

7ײ + 12 = 264 es ecuacion ayudenme✌​

Answer 1

Respuesta:

$7x {}^{2} + 12 = 264$

$7x {}^{2} = 264 - 12$

$7x {}^{2} = 252$

$x1 = - 6$

$x2 = 6$

Espero te sirva!