What factoring method should be used to factor out the polynomial x² + 7x + 10?

Which are factoring methods?

The length of a rectangle is 2 feet less than thrice its width. To find the measures of the length and width, which is the correct figure for the problem?

It is an algebraic expression whose degree of terms are arranged from highest to lowest.

It is a factoring method used if the polynomial has 3 terms whose 1st and last terms are perfect squares and twice the square root of the last term will give you the coefficient in the middle term.

x² + 6x + 9 is factorable by GT.

What are the factors of x² - 25?