Question

3t^3=-81 solve

Answer 1

divide

Answer 2

take the root of 3 on both sides

Answer 3

ok so in this case we would divide by 3 first...
so we get

t^3 = -27
now we use cubic root so t * t * t = 27.

so if we use cubic root we will find out that t = 3

Answer 4

since its the root of three you can keep the nagative