Question
Write down the following product:
$\left(x^2+1\right)\left(x^3+2\right)$ [Hint. Put $\left.x^2=y\right]$
$\left(x^2+1\right)\left(x^3+2\right)$ [Hint. Put $\left.x^2=y\right]$
✓
Answer
$x^4+3 x^2+2$
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