Question

(2x^4-3x^3+2x-1)-(x^4-x^2+2x+3)

Answer 1

$(2x^4-3x^3+2x-1)-(x^4-x^2+2x+3)$

= $(2x^4 - 3x^3 = 2x - 1) + (-x^4 + x^2 - 2x - 3)$

= $x^4-2x^2-4$

This is the solution. Have a great day :)