Answer :
4x - (3x^2 + x) + 5 - (2x^2 + 1)
4x + x - 3x^2 - 2x^2 + 5 + 1
= 5x - 1x^2 + 6
Therefore the equivalent is 5x - 1x^2 + 6
4x + x - 3x^2 - 2x^2 + 5 + 1
= 5x - 1x^2 + 6
Therefore the equivalent is 5x - 1x^2 + 6