Answer
$$t=(x+1)^2$$
Work Step by Step
$$e^{(x^2)}e^{(2x+1)}=e^t$$ $$e^{x^2+2x+1}=e^t$$
- Recall that as $e^x=e^a$, then $x=a$
So here we have: $$t=x^2+2x+1$$ $$t=(x+1)^2$$
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