Question 1205143
X²+y²=2
X-y=4
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X-y=4  ---> y = x-4
{{{x^2 + (x-4)^2 = 2}}}
{{{2x^2 - 8x + 14 = 0}}}
{{{x^2 - 4x + 7 = 0}}}
*[invoke solve_quadratic_equation 1,-4,7]
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{{{x = 2 + i*sqrt(3)}}}
{{{y = -2 + i*sqrt(3)}}}
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{{{x = 2 - i*sqrt(3)}}}
{{{y = -2 - i*sqrt(3)}}}