Calculate: 2x^3+5x-3+4x+2x^3-3x^2

Expression: $2{x}^{3}+5x-3+4x+2{x}^{3}-3{x}^{2}$

Collect like terms

$4{x}^{3}+5x-3+4x-3{x}^{2}$

Collect like terms

$4{x}^{3}+9x-3-3{x}^{2}$

Use the commutative property to reorder the terms

$4{x}^{3}-3{x}^{2}+9x-3$