Question

Subtract 7x² - x - 1 from x² + 3x +3.
Answer Attempt 1 out of 2

Answer 1

- 6x² + 4x + 4

Explanation:

x² + 3x + 3 - (7x² - x - 1) ← distribute parenthesis by - 1

= x² + 3x + 3 - 7x² + x + 1 ← collect like terms

= (x² - 7x² ) + (3x + x ) + (3 + 1 )

= - 6x² + 4x + 4