+30 Find the largest value of n such that 3x^2 +nx + 72 can be factored as the product of two linear factors with integer coefficients.
+37159 3 (x^2 + kx + 24)
3 ( x+1)(x+24)
3 (x^2 + 25x + 24 )
(3 x^2 + 75x+72)
(3x+3)(x+24) I think the answer would be n=75 (?)
