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> plot(`+`(`/`(`*`(`+`(`*`(`^`(x, 2)), `-`(`*`(2, `*`(x))), `-`(3))), `*`(`+`(x, `-`(2)))), `/`(`*`(`+`(x, `-`(3))), `*`(`+`(`*`(`^`(x, 2)), `-`(x), `-`(2))))), x = -6 .. 6, y = -30 .. 30, filled = true...
 

> restart; 1; with(RealDomain); -1; solve(`>=`(`+`(`*`(`+`(RealDomain:-`^`(x, 2), `-`(`*`(2, `*`(x))), `-`(3)), `*`(RealDomain:-`^`(`+`(x, `-`(2)), -1))), `*`(`+`(x, `-`(3)), `*`(RealDomain:-`^`(`+`(Rea...
 

RealRange(Open(-1), Open(2)), RealRange(3, infinity) (2.2.1)