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OpenStudy (mmend98):
Jack wants to find the solution to a system of equations using y = x + 3 and y = x2 + 6x - 21. Betty says that Jack can solve x2 + 5x - 24 = 0 to find the x-coordinates of the solutions of the system. Explain and demonstrate why Betty is correct.
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OpenStudy (mmend98):
@dan815
OpenStudy (mmend98):
@nincompoop
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