Question

2 x square - 3 x minus 9 is equal to zero solve by quadratic equation​

Answer 1

Answer:

-3/2,3

Step-by-step explanation:

$2x {}^{2} - 3x - 9 = 0 \\ 2x {}^{2} - 6x + 3x - 9 = 0 \\ 2x(x - 3) + 3(x - 3) = 0 \\ (2x + 3)(x - 3) = 0 \\ x = - 3/2 \: \: \: and \: \: x = 3$

Answer 2

Answer:

(2x-3)(x-3)

Step-by-step explanation:

$2x^{2} -3x-9\\=2x^{2} -6x+3x-9\\2x(x-3) * 3(x-3)$

(2x-3)(x-3)