Question

Find the difference of the expression (3x ^ 2 - x - 1) - (- 3x ^ 2 - 1)

6x ^ 2 + x + 2
6x ^ 2 - x
- x - 2
6x ^ 2 - x - 2

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find the difference between the two expressions, we can subtract them.

(3x ^ 2 - x - 1) - (- 3x ^ 2 - 1)
= 3x ^ 2 - x - 1 + 3x ^ 2 + 1
= 3x ^ 2 + 3x ^ 2 - x - 1 + 1
= 6x ^ 2 - x

Therefore, the difference of the expression is 6x ^ 2 - x.