Question

Factor completely 2x2 - 18.

Prime
2(x2 - 9)
2(x + 3)(x - 3)
2(x + 3)(x + 3)

Answer 1

$2 x^{2} - 18= 2( x^{2} - 9)= 2(x + 3)(x - 3)$

Answer 2

Answer:

answer above is correct

Step-by-step explanation: