Question

[5a^4(a^2-4a)-(-3a^6)^2/(a^2)^3]/(-1/2a^2)^2

Answer 1

[5a^4(a^2-4a)-(-3a^6)^2/(a^2)^3]/(-1/2a^2)^2

=(5a^6-20a^5-9a^6)÷(a^4/4)

=-16a^2-80a;

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