Question

from the sum of X2 -x + 2 and x² + x + 5
Substract
- x² + x + 2
​

Answer 1

Step-by-step explanation:

{(x² - x + 2) + (x² + x + 5)} - (-x² + x + 2)

= {x² - x + 2 + x² + x + 5} - (-x² + x + 2)

= (2x² + 7) - (-x² + x + 2)

= 2x² + 7 + x² - x - 2

= 3x² - x + 5

Hope this helps you.