jazbria jazbria
  • 29-08-2016
  • Mathematics
contestada

i need help in solving this math question(-2z2-14)-(-12z2)

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 29-08-2016
[tex](-2z^2-14)-(-12z^2) = [/tex]

Remove parentheses:

[tex]-2z^2 - 14 + 12 z^2[/tex]

Group like  terms :

[tex]-2z^2 + 12z^2-14[/tex]

add similar elements: 

[tex]-2z^2+12z^2 = 10z^2[/tex]

[tex]=10z^2-14[/tex]

hope this helps!
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