Question 438643
Please help me solve this equation: (x+2)^2=y-4

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You can "solve" it.  You can substitute numbers
for "x" and solve for "y" to get as many points
of the graph as you want.  But you can't solve it.
It has an infinite number of solutions.
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{{{graph(400,300,-10,10,-10,10,(x+2)^2+4)}}}
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Cheers,
Stan H.