Answer:
a. [tex]2x^2-6x+8[/tex]
b. a=2, b=-6, and c=8
Step-by-step explanation:
The standard form of a quadratic is [tex]ax^2+bx+c[/tex] written in descending order and can be found by using inverse operations to rearrange terms.
[tex]8-6x=-2x^2\\\\8-6x+2x^2=-2x^2+2x^2\\\\2x^2-6x+8=0[/tex]