Answer
The factors of given trinomial (9$x^{2} + 5 x -4$) = $(9x - 4)(x + 1)$
Work Step by Step
The given trinomial =
9$x^{2} + 5 x -4$
= 9$x^{2} + 9 x - 4x-4$
=$9x(x + 1) -4(x + 1)$
= $(9x - 4)(x + 1)$
The factors of given trinomial = $(9x - 4)(x + 1)$
