Question

Factor Completely: 2x2 − 18

Prime

2(x2 − 9)

2(x + 3)(x − 3)

2(x + 3)(x + 3)

Answer 1

1) You would factor out the 2 first, to get 2(x^2-9)
2) Next, You have to notice that inside the parentheses, there are perfect squares that can be further factored.
3) factor the perfect squares to get :
2(x-3)(x+3)

Answer 2

idk

Answer 3

i am only in 7 th grade