Question

2a(3-4a-5)-4 = (6 )/4 a

Answer 1

2a(3-4a-5)-4 = (6 )/4 a

6a-8a²-10a-4=6/4a

24a²-32a³-10a²-16a=6

-32a³+14a²-16a-6=0

resolvemos

a1=-0.27 esta es la solución

a2=a3=imaginario