Last question I need help on y’all !!

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Plz 20 points polynomials 1: subtract and simplify (–y^2 – 4y – 8) – (–4y^2 – 6y + 3) 2: multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2 3: multiply and simplify (x – 4) (x2 – 5x – 6)

What is the midpoint of np if n (1,9) and p (-5-1)