(1)4x∧4-65x²y²+16y∧4(2)a∧6-7a³b³-8b∧6
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(1)4x∧4-65x²y²+16y∧4(2)a∧6-7a³b³-8b∧6
(1)4x∧4-65x²y²+16y∧4
(2)a∧6-7a³b³-8b∧6
(1)4x∧4-65x²y²+16y∧4(2)a∧6-7a³b³-8b∧6
(1)4x∧4-65x²y²+16y∧4
=(4x^2-y^2)(x^2-16y^2)
=(2x+y)(2x-y)(x+4y)(x-4y)
4 -1
1 -16
(2)a∧6-7a³b³-8b∧6
=(a^3+b^3)(a^3-8b^3)
=(a+b)(a^2-ab+b^2)(a-2)(a^2+2ab+4b^2)