Question 1192451
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Look at the post


https://www.algebra.com/algebra/homework/testmodule/testmodule.faq.question.1192371.html


The tutor @math_helper solved there similar problem, giving an example and thorough explanations on how to do it.



Having this TEMPLATE, you can solve all other similar problems on your own.



See also there Internet sources


https://www.youtube.com/watch?v=U-19aiF2pbg   (Youtube video)


https://online.math.uh.edu/Math2303-unpaid/ch1/s15/2303-Section-15.pdf  (textual explanation)