marioleyba12 marioleyba12

10-11-2020
Mathematics

contestada

When x = 4, y = 1
x^2 + 3xy – 7y^2

Respuesta :

idk19816 idk19816

10-11-2020

Answer:

21

Step-by-step explanation:

i worked out the problem

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I'm not that good at math , can anyone help me with this ?