Question

Considere y ao quadrado - 4y = -6 +13y

Answer 1

$- 4 {y}^{2} = - 6 + 13 {y}^{2} \\ - 4 {y}^{2} - 13 {y}^{2} = - 6 \\ - 17 {y}^{2} = - 6 \\ {y}^{2} = \frac{ - 6}{17 } \\ {y}^{2} = - 0.3$