Me podrian ayudar 6m² - 5m - 8 = 2m?

<img src="https://tex.z-dn.net/?f=%206m%5E2-5m-8%3D2m%20%5C%5C%20%5C%5C%206m%5E2-5m-2m-8%20%3D%200%20%20%5C%5C%20%5C%5C%206m%5E2-7m-8%3D0%20%5C%5C%20%20%5C%5C%20%5Ctextbf%7BFormula%20general%3A%7D%20%5C%5C%20%5C%5C%20m_%7B1%2C%5C%3A2%7D%3D%5Cdfrac%7B-b%5Cpm%20%5Csqrt%7Bb%5E2-4ac%7D%7D%7B2a%7D" />

<img src="https://tex.z-dn.net/?f=a%3D6%2C%5C%3Ab%3D-7%2C%5C%3Ac%3D-8%20%5C%5C%20%20%5C%5C%20m_%7B1%2C%5C%3A2%7D%3D%5Cdfrac%7B-%5Cleft%28-7%5Cright%29%5Cpm%20%5Csqrt%7B%5Cleft%28-7%5Cright%29%5E2-4%5Ccdot%20%5C%3A6%5Cleft%28-8%5Cright%29%7D%7D%7B2%5Ccdot%20%5C%3A6%7D%20%5C%5C%20%5C%5C%20%5Ctextbf%7BResolvemos%20la%20positiva%20y%20la%20negativa%3A%7D%20%5C%5C%20%5C%5C%20%5Cboxed%7Bm_1%3D%20%5Cdfrac%7B7%2B%5Csqrt%7B241%7D%7D%7B12%7D%20%20%7D%20%5C%20%5C%20%5C%20%5C%20%5C%20%5Cboxed%7Bm_2%3D%5Cdfrac%7B7-%5Csqrt%7B241%7D%7D%7B12%7D%7D%20" />

¡Espero haberte ayudado, saludos.

G. G.

H! .