(NEED AN ANSWER ASAP) How do you know when to rewrite square trinomials and difference of squares binomials as separate factors factors? How can sums and diffrences of cubes be identified for factoring? (Show and example when explaining)

Pls i’m dumb as heck i’ll give y’all so many points if that encourages you

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.