Question

Factor Completely: 2x2 − 18

Prime

2(x2 − 9)

2(x + 3)(x − 3)

2(x + 3)(x + 3)

Answer 1

@Solmyr Factor out the 2 in the expression first, then use the difference of square identity.

Answer 2

can you find a common factor in both 2x^2 and 18????

Answer 3

@Solmyr

Answer 4

srry was afk

Answer 5

9? because 9*2=18 and 18/9=2

Answer 6

@Solmyr 9 is not a common factor of 2x^2 and 18 because you can't express 2 in terms of 9.

See my first message for actual solution.

Answer 7

ok