mbstu
mbstu
26-02-2018
Mathematics
contestada
Solve for x in the equation.
Respuesta :
mathstudent55
mathstudent55
26-02-2018
[tex] x^2 + 20x + 100 = 36 [/tex]
[tex] (x + 10)^2 = 36 [/tex]
[tex] x + 10 = \pm \sqrt{36} [/tex]
[tex] x + 10 = 6 [/tex] or [tex] x + 10 = -6 [/tex]
[tex] x = -4 [/tex] or [tex] = -16 [/tex]
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