Question
Write down the following product:
$\left(3 a^2-b^2\right)\left(2 a^2+5 b^2\right)$
$\left(3 a^2-b^2\right)\left(2 a^2+5 b^2\right)$
✓
Answer
$6 a^4+13 a^2 b^2-5 b^4$
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