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simply this equation 4x²=36


Sagot :

Answer:

[tex]\boxed{\bf x_1=3; \quad x_2=-3}[/tex]

Step-by-step explanation:

[tex]\displaystyle \tt 4x^2=36\quad \leftrightarrow\quad x^2=9\quad \leftrightarrow \quad x=\pm\sqrt{9} \quad \leftrightarrow \quad \boxed{\bf x_1=3;\quad x_2=-3}[/tex]