Solve the equation 3x 2 25x -18 0 - WAEC Mathematics 1995 Question

3x${}^2$ + 25x - 18 = 0

3x${}^2$ + 27x - 2x - 18 = 0

3x(x + 9) - 2(x + 9) = 0

(3x - 2)(x + 9) = 0

x = $\frac{2}{3}$ or x = -9.