(2x4+x3−4x2+3)+(4x4−2x3−x2+10x+2) add and express the answer in standard form
(2x^4+x^3−4x^2+3)+(4x^4−2x^3−x^2+10x+2)
Combine like terms
(2x^4 +4 x^4) + ( x^3 - 2x^3) + ( -4x^2 - x^2) + 10x + (3 + 2) =
6x^4 - x^3 - 5x^2 + 10x + 5