Answer:
^4+2x^3+x+2
Explanation:
1. Combine exponents
(+2)(^2x+1)
(x+2)(x^3+1)
2. Distribute
x (x^3+1)+2(x^3+1)
x^4+x+ 2(x^3+1)
3. Solution is x^4 + 2x^3 + x+2
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