Simplify the expression: \acx3+x2x2\ac{x^3 + x^2}{x^2}\acx3+x2x2 (assume x≠0x \neq 0x=0).
x+1x + 1x+1
x2+1x^2 + 1x2+1
x+x2x + x^2x+x2
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