Answer:[tex]x^3-2x^2+10x-4[/tex]
Step-by-step explanation:
When adding polynomials simply just add the like terms together. For example if two of the numbers you must add have x^3 in them add them together.
[tex]( 2x^3-4x^2+7x+1) + (-x^3+2x^2+3x-5)\\(2x^3-x^3)+(-4x^2+2x^2)+(7x+3x)+(1-5)\\x^3-2x^2+10x-4[/tex]
