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Alex Ar [27]
3 years ago
11

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

Mathematics
1 answer:
g100num [7]3 years ago
3 0
(-2z^2-14)-(-12z^2) =

Remove parentheses:

-2z^2 - 14 + 12 z^2

Group like  terms :

-2z^2 + 12z^2-14

add similar elements: 

-2z^2+12z^2 = 10z^2

=10z^2-14

hope this helps!
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