Question

me podrían ayudar
2x² +2y²+4=0​

Answer 1

$2x^2 + 2y^2 + 4 = 0\\f ( x ) 2x^2 + 2y^2 = 4x + 4y + 4 = 0\\4x + 4y = 0 - 4\\Sespejamos y = 4 / - 4\\y = - 1\\4x = - 4 + 1\\4x = - 3\\x = - 3 / 4\\x = - 0.75\\- 0.75 * 4 = - 3 - 1 = - 4 + 4 = 0$