Question

(3x²-3)(9x⁴+9x²+9)
(5x²+6)(25x⁴-30x²+36)
(8b²+4)(64b⁴-32b²+16)
(7a²-4)(49a⁴+28a²+16)

Answer 1

1)=27х^6-27
2)=125x^6+216
3)=512b^6+64
4)=343a^6-64