Answer:
I think these links will help you out here: (I read through and watch both)
https://www.purplemath.com/modules/factquad.htm
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:standard-form/v/standard-form-rules
Step-by-step explanation:
Hope that this helps! :)
Have a great rest of your day/night!