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06-12-2019
Mathematics

contestada

What is X when X² -5X equals negative 20

Respuesta :

Yang100 Yang100

07-12-2019

Answer:

x=(5+sqrt(55)i)/2, (5-sqrt(55)i)/2.

Step-by-step explanation:

x^2-5x=-20

x^2-5x-(-20)=0

x^2-5x+20=0

Apply the quadratic formula.

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