Question

упростите выражение 8х^4-2(х^4+2)^2​

Answer 1

$8x^4-2(x^4+2)^2 = 8x^4 - 2x^8 -8x^4 - 8 = -2x^8 - 8 = -2(x^8+4)$

Answer 2

8x^2-2(x^8+4x^4+4
8x^2-2x^8-8x^4-8
-2x^2-8x^4+8x2-8