Question 169959
Help me solve each system by the substitution method:
y=x^2-4x-10
y=-x^2-2x+14
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These are quadratics (2nd order eqns).  I don't think substution applies.
y=x^2-4x-10
*[invoke solve_quadratic_equation 1,-4,-10]
It's
2 + sqrt(14)
2 - sqrt(14)
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y=-x^2-2x+14
*[invoke solve_quadratic_equation 1,-2,14]
This one is:
1 + sqrt(-13)
1 - sqrt(-13)