Question

Perform the multiplication, (7x^2+a^2)(x^2–3a^2)

Answer 1

7x^4 - 21x^2a^2 + x^2a^2 - 3a^4
7x^4 - 20x^2a^2 -3a^4

Answer 2

-3a^4-20a^2x^2+7x^4

Explanation:

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