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jazbria jazbria
  • 29-08-2016
  • Mathematics
Answered

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

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 29-08-2016

\((-2z^2-14)-(-12z^2) =\)

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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