Respuesta :

theleangreenbean

Answer:

z=6 and z=-6

Step-by-step explanation:

[tex]7z^2=252[/tex]

Divide both sides by 7

[tex]\frac{7z^2}{7} =\frac{252}{7} \\z^2=36[/tex]

Find the square root

z=±√36

z=±6

Therefore, z=6 and z=-6.

I hope this helps!

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