help me on how to design and draw flowchart that can calculate the value of x for
given a quadratic equation which is in the form of x=-b+-sqrt(bb-4ac)/2a

In what context? If you're just doing standard mathematical computations, work your way up using order of operations. If you're doing it for a compiler construction course, it gets a bit more involved. Nobody's going to do your homework for you, so show some work.

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