Question

Subtracting -3x² – 1 from 2x + 1, we get

Answer 1

Answer:

${ 3x}^{2} + 2x + 2$

Answer 2

To subtract-3x^2-1from 2x+1

Then :
2x+1-(-3x^2-1)
After this the sing of bracket will change
So,2x+1+3x^2+1
=2x+3x^2+2

Answer in standard form
=3x^2+2x+2