Hello, dm10!

Check the accuracy of your typing.

And it would help if you gave us the answers you're expecting.

Multiply by -3: .

Let

Substitute: .

But this equation has no rational roots . . .

Identity: .

So we have: .

. . which simplifies to: .

. . which factors: .

And we have: .

3. e^(x^2/8)-x^(6/8)8*e^(x^2/8) . . . . What does this say ??