Question

From the sum of 3x^2-5x+1 and x^3 +3x - 1 subtract 2x^3 - 4x2

Answer 1

it is -x^3 + 7x^2 -2x if you meant subtract 2x^3 - 4x^2 But if you meant subtract. 2x^3 - 4x +2 then the answer is -x^3 +3x^2 +2x -2

Explanation: