which trinomial is equivalent to (3x-1)(x+4)
Foil this out. first 3xxouter 3x4Inner -1xlast -14 multiply, combine like terms, and you'll have your answer
(3x - 1)(x +4)== 3x x + 3x 4 - 1 x - 1 4 == 3x^2 + 12x - x - 4 = = 3x^2 + 11x - 4
