It's just multiplying binomials with the added twist of needing to change i^2=-1 when you see it. You got this.
Other videos involving the imaginary number:
What are Imaginary Numbers? https://www.youtube.com/watch?v=JEwmObpQoEE
Simplifying Square Roots of Negative Numbers https://www.youtube.com/watch?v=I5B7xzQSls0
Quadratic Equations with Complex Solutions https://www.youtube.com/watch?v=DY3tfZ4-rBE
https://www.mathwithmiller.org/