Answer:
The first is 30
Step-by-step explanation:
The third is 115
Answer:
Step-by-step explanation:
It is already in standard form and can be expressed in scientific form as:

the construction of fields of formal infinite series in several variables, generalizing the classical notion of formal Laurent series in one variable. Our discussion addresses the field operations for these series (addition, multiplication, and division), the composition, and includes an implicit function theorem.
(PDF) Formal Laurent series in several variables. Available from: https://www.researchgate.net/publication/259130653_Formal_Laurent_series_in_several_variables [accessed Oct 08 2018].
(3x-2)(9x²+6x+4) I think that's it