Resolver paso a paso este ejercicio( - 6 / 5 a + c) (2 / 3 c - a) DOY 30 PUNTOS?

<img src="https://tex.z-dn.net/?f=%5Cleft%28-%20%5Cdfrac%7B6%7D%7B5%7Da%2Bc%5Cright%29%5Cleft%28%20%5Cdfrac%7B2%7D%7B3%7Dc-a%5Cright%29%20%3D%20%5Cqquad%20Distribuimos%20%5C%5C%20%5C%5C%20%5C%5C%20%5Cleft%28-%20%5Cdfrac%7B6%7D%7B5%7Da%2A%20%5Cdfrac%7B2%7D%7B3%7Dc%20%5Cright%29%2B%5Cleft%28-%20%5Cdfrac%7B6%7D%7B5%7Da%2A-a%5Cright%29%2B%5Cleft%28%20c%2A%5Cdfrac%7B2%7D%7B3%7Dc%5Cright%29%2B%5Cleft%28c%2A%20-a%5Cright%29%20%3D%5C%5C%20%5C%5C%20%5C%5C%20%5Cleft%28-%20%5Cdfrac%7B6%2A2%7D%7B5%2A3%7Dac%20%5Cright%29%2B%5Cleft%28%2B%20%5Cdfrac%7B6%7D%7B5%7Da%5E2%5Cright%29%2B%5Cleft%28%5Cdfrac%7B2%7D%7B3%7Dc%5E2%5Cright%29%2B%5Cleft%28-ac%5Cright%29%20%3D%5C%5C%20%5C%5C%20%5C%5C%20%5Cleft%28-%20%5Cdfrac%7B12%7D%7B15%7Dac%20%5Cright%29%2B%5Cleft%28%5Cdfrac%7B6%7D%7B5%7Da%5E2%5Cright%29%2B%5Cleft%28%5Cdfrac%7B2%7D%7B3%7Dc%5E2%5Cright%29%2B%5Cleft%28-ac%5Cright%29%20%3D%5Cqquad%20ordenamos" />

<img src="https://tex.z-dn.net/?f=%5Cdfrac%7B6%7D%7B5%7Da%5E2-%20%5Cdfrac%7B12%7D%7B15%7Dac%20-ac%2B%5Cdfrac%7B2%7D%7B3%7Dc%5E2%20%3D%20%5C%5C%20%20%5C%5C%20%20%5C%5C%20%5Cdfrac%7B6%7D%7B5%7Da%5E2-%20%5Cdfrac%7B12%7D%7B15%7Dac%20-%20%5Cdfrac%7B15%7D%7B15%7D%20ac%2B%5Cdfrac%7B2%7D%7B3%7Dc%5E2%20%3D%20%5C%5C%20%20%5C%5C%20%20%5C%5C%20%5Cdfrac%7B6%7D%7B5%7Da%5E2-%20%5Cdfrac%7B27%7D%7B15%7Dac%2B%5Cdfrac%7B2%7D%7B3%7Dc%5E2%20%3D%20%5Cqquad%20simplificamos%20%5C%5C%20%20%5C%5C%20%20%5C%5C%20%5Cboxed%7B%20%20%20%5Cdfrac%7B6%7D%7B5%7Da%5E2-%20%5Cdfrac%7B9%7D%7B5%7Dac%2B%5Cdfrac%7B2%7D%7B3%7Dc%5E2%20%20%7D%20%20" />

Espero que te sirva, salu2!