Add or subtract the polynomial.

(3x4+2x2−3)−(x4+8x2−4)
(1 point)
Responses

−3x4+10x2+1
negative 3 x to the 4th power plus 10 x squared plus 1

3x4−6x2−7
3 x to the 4th power minus 6 x squared minus 7

2x4+6x2−7
2 x to the 4th power plus 6 x squared minus 7

2x4−6x2+1