Subtract: 2(a^4 - 3a^2) from 2a^2 (a^3-a) – 3a (a^4 + 2a) – InterviewSolution

1.

Subtract: 2(a^4 - 3a^2) from 2a^2 (a^3-a) – 3a (a^4 + 2a)

Answer»

Step-by-step EXPLANATION:

$2a^{2}(a^{3}-a)-3a(a^{4}+2a) \\=2a^{5} - 2a^{3} -3a^{5}-6a^{2} \\=-a^{5}-2a^{3}-6a^{2}$

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