Edward B.

I recently posted my math question for other users to get an answer for free. The date was 2021-11-19 and I have got 2 trustworthy answers from users just in several days.
https://plainmath.net/*******/solve-the-equation-x-plus-sqrt-5x-plus-19-equal-1
I like that you can get several answers and choose the best for you (with more explanation/less explanation and shortly). Good website.
However, sometimes the answers aren't right, so check if it at least looks like a true answer.
https://plainmath.net/*******/velocity-acceleration-following-vector-valued-functions-equal-langle