ayemiey ayemiey

20-09-2018
Mathematics

contestada

(x^2-4)=0 idk how to do it

Respuesta :

Аноним Аноним

20-09-2018

Question:

(x^2 - 4) = 0

Steps:

1. Add 4 to both sides

x^2 - 4 + 4 = 4

x^2 = 4

√x^2 = √4

x = -2, x = 2 <===== Answer

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