Help ASAP will give brainlist

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0

What are the triple angle formulas? is it related to double angle identities?

Kim took out a $55,000 loan for college she is borrowing money from 2 banks bank a charges an interest rate of 8% and b charges an interest rate of 11% after one year kim owes 5000 in interest how much money did she borrow from bank a.