Use the Lagrange mulipliers to find the points on the parabola y=x^2+2x which are the closest to the point(-1,0).
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here is a nudge to solving your problem
syms x y L d = ??? % for you to fill out; distance from (-1,0) g = d+L*(x^2+2*x-y) % constraint for given parabola % additional operations here
show some effort, and some additional help may be forthcoming