What is 20 as a product of three primes

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4