True or false the polynomial 9x^2-12+4 is a perfect square trinomial in the form A2-2AB+B^2

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Anyone know? will mark brainliest if you're correct!

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?