Respuesta :

We have the following general rule for exponents:

[tex](a\cdot b)^n=a^n\cdot b^n[/tex]

Then, in this case we have:

[tex]-(3z)^2=-(3^2\cdot z^2)=-9z^2[/tex]

therefore, the simplifed expression is -9z²

Otras preguntas