knsquaredox7ypu knsquaredox7ypu

16-04-2020
Mathematics

contestada

x^2+6x-40=0 complete the square

Respuesta :

soeunip2018 soeunip2018

19-04-2020

Answer:

x = {4, -10}

Step-by-step explanation:

x^2+6x-40=0

x^2+6x+9 = 40+9

(x+3)^2 = 49

x+3 = 7

x+3 = -7

x = {4, -10}

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