The expression 15x2+bx+36, where b is a positive constant, can be written as (5x+n)(px+9), where n and p are integer constants. What is the value of b?
A
12
B
33
C
47
D
57
The expression \(15x^2 + bx + 36\), where \(b\) is a positive constan… | Math SAT Question | Ronan SAT