Question

Subtract. (6x4−2x2+8x−2)−(−x4+2x3−2x2−1)

Answer 1

distributing the negative sign

+ x^4 - 2x^3 +2x^2 -0x +1

6x^4 -0x^3 -2x^2 +8x -2

+ x^4 - 2x^3 +2x^2 -0x +1

-----------------------------------------------------

7x^4 -2x^3+0x^2 +8x-1