Answer:
x +3 = x^2 +2x -4
Explanation:
Straight substitution of the top expression for y gives you ...
x +3 = x^2 +2x -4
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This lets you rewrite the equation to standard form as ...
x^2 +x -7 = 0
and find the solutions to be ...
x = (-1±√29)/2
Corresponding y-values will be 3 more than this:
y = (5±√29)/2