(5x3 + 2x2 + x - 1) - (2x3 - 3x2 + 4x)
Distribute the negative sign: 5x3 + 2x2 + x - 1 -2x3 + 3x2 - 4x -->
Combine like terms: 2x^3 + 5x^2 -3x - 1.
(5x3 + 2x2 + x - 1) - (2x3 - 3x2 + 4x)
Distribute the negative sign: 5x3 + 2x2 + x - 1 -2x3 + 3x2 - 4x -->
Combine like terms: 2x^3 + 5x^2 -3x - 1.