Answer:
Standard Form: 4x-1x^3-5x^2.
[tex]4x + {x}^{3} - 5 {x}^{2} [/tex]
Step-by-step explanation:
[tex]4x - 3 {x}^{3} + 2 {x}^{3} - 5 {x}^{2} \\ = 4x + {x}^{3} - 5 {x}^{2} [/tex]
