you’re free to’t edit or create equations in the Docs app.
Writing equations in Google Docs is easy with the built-in equation toolbar.
Go toInsert>Equation.

A new menu will appear, and a new text box will show up in the document.
With the cursor focused in the text box, build the equation using numbers and the equation toolbar.
Click outside of the text box to exit the equation editor.

To write a separate equation, selectNew equationfrom the toolbar.
Tips When Writing Equations
Google Docs Won’t Solve the Equation
Need helpsolvingmath equations?
Docs can’t help you there, but some handy calculator apps can.