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23-10-2020
Mathematics

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Use the quadratic formula to solve the equation-x^2+7x-9=0

Respuesta :

anjumunnisa78 anjumunnisa78

23-10-2020

Answer:

x=-b+-[tex]\sqrt{}[/tex]b^2-4ac/2a

Step-by-step explanation:

-7+-[tex]\sqrt[/tex]49-36/-2

-7+-[tex]\sqrt[/tex]13/-2

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