akafts003 akafts003

21-05-2018
Mathematics

contestada

Solve the system of equations. { 13x−y=90 y=x^2−x−42

Respuesta :

MrGumby MrGumby

21-05-2018

There are two possible answers:
(6, -12)
(8, 14)

You can get these by taking the second equation and plugging it in for y in the first equation. Then solve using the quadratic formula.

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