(7x^10+8) (x^2-2) — (x^6-x^4) (7x^6-17x^4) -x^2 (8-7x^6)=(0,4 х^6-5) (5x^3+2) -x^3 (2x6+0,8x^3-25)=Упростите выражение:…

(7x^12+8x^2-14x^10-16) — (7x^12-7x^10+17x^8) — (8x^2-7x^8)=7x^12+8x^2-14x^10-16-7x^12+7x^10+17x^10-17x^8-8x^2+7x^8=10x^10-10x^8-16 (2x^9-25x^3+0,8x^6-10) — (2x^9+0,8x^6-25x^3)=2x^9-25x^3+0,8x^6-10-2x^9-0,8x^6+25x^3=-10