# How do solve #x^2+21>10x# and write the answer as a inequality and interval notation?

##### 1 Answer

Nov 6, 2016

Rewrite as a quadratic equation, solve, and use test points to see in what interval the solution lies.

TEST POINT 1:

TEST POINT 2:

TEST POINT 3:

So, the solution is

In interval notation, this would be

Hopefully this helps!