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31-05-2021
Mathematics

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7x2+49x+84=0
by completing the square method

Respuesta :

petad6277 petad6277

31-05-2021

Answer:

x=-2

Step-by-step explanation:

7x2+49x+84=0

14+49x+84=0

49x+98=0

49x=-98

x=-98/49

x=-2

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