puthasad puthasad

04-03-2020
Mathematics

contestada

Solve. x(x + 1) = 20

Respuesta :

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04-03-2020

Answer:

x =(1+√81)/2=(1+9)/2= 5.000

or:

x =(1-√81)/2=(1-9)/2= -4.000

Step-by-step explanation:

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