-4x^2-24x-36=0

解

- 4 x^{2} - 24 x - 36 = 0

x = - 3

解答ステップ

- 4 x^{2} - 24 x - 36 = 0

解くとthe二次式

x_{1, 2} = \frac{- ( - 24 ) \pm ( - 24 ) ^{2} - 4 ( - 4 ) ( - 36 )}{2 ( - 4 )}

(- 24)^{2} - 4 (- 4) (- 36) = 0

x_{1, 2} = \frac{- ( - 24 ) \pm 0}{2 ( - 4 )}

x = \frac{- ( - 24 )}{2 ( - 4 )}

\frac{- ( - 24 )}{2 ( - 4 )} = - 3

x = - 3

二次equationの解:

x = - 3