Respuesta :

Answer:

yes

Step-by-step explanation:

Answer:

It's true for values of m = ±9

Explanation:

for m = -9 :

[tex] {( {}^{ - } 9)}^{2} = 81[/tex]

For m = +9 :

[tex]( {}^{ + } 9) {}^{2} = 81[/tex]

hence m is -9 and +9

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