Amigos - 4x² - 5x - 1 = 0Solución por medio de la formula general plox?

Amigos - 4x² - 5x - 1 = 0

Solución por medio de la formula general

<img src="https://tex.z-dn.net/?f=-4x%5E2-5x-1%3D0" />

<img src="https://tex.z-dn.net/?f=ax%5E2%2Bbx%2Bc%3D0%5Cmathrm%7B%5C%3Alas%5C%3Asoluciones%5C%3Ason%5C%3A%7D%0A%0A%0A%5Cquad%20x_%7B1%2C%5C%3A2%7D%3D%5Cfrac%7B-b%5Cpm%20%5Csqrt%7Bb%5E2-4ac%7D%7D%7B2a%7D" />

<img src="https://tex.z-dn.net/?f=x_%7B1%7D%3D%5Cfrac%7B5%2B%5Csqrt%7B%5Cleft%28-5%5Cright%29%5E2-4%5Cleft%28-4%5Cright%29%5Cleft%28-1%5Cright%29%7D%7D%7B-2%5Ccdot%20%5C%3A4%7D" />

<img src="https://tex.z-dn.net/?f=x_%7B1%7D%3D%5Cfrac%7B5%2B%5Csqrt%7B9%7D%7D%7B-8%7D" />

<img src="https://tex.z-dn.net/?f=x_%7B1%7D%3D-1" />

<img src="https://tex.z-dn.net/?f=x_%7B2%7D%3D%5Cfrac%7B5-%5Csqrt%7B%5Cleft%28-5%5Cright%29%5E2-4%5Cleft%28-4%5Cright%29%5Cleft%28-1%5Cright%29%7D%7D%7B-2%5Ccdot%20%5C%3A4%7D" />

<img src="https://tex.z-dn.net/?f=x_%7B2%7D%3D%3D%5Cfrac%7B5-%5Csqrt%7B9%7D%7D%7B-8%7D" />

<img src="https://tex.z-dn.net/?f=%0Ax_%7B2%7D%20%20%3D-%5Cfrac%7B1%7D%7B4%7D" />

<img src="https://tex.z-dn.net/?f=x_%7B1%7D%3D-1%2C%5C%3Ax_%7B2%7D%3D-%5Cfrac%7B1%7D%7B4%7D" />.