(7x² - x - 2 )- (-6x³ + 3)

Answer 1

To simplify, we need to distribute the negative sign to all terms inside the brackets:

7x² - x - 2 + 6x³ - 3

Next, we can rearrange the terms in descending order of degree (highest power of x first):

6x³ + 7x² - x - 5

So the simplified form is 6x³ + 7x² - x - 5.

Answer 2

6x³ + 7x² - x - 5

Answer 3

This is already in simplified form. There is no further simplification possible.