Answered

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4n^2+5
subtract
-2n^2-4


Sagot :

Easy peasy! 
4n2+52n2−4
=4n2+5+2n2+−4
Combine Like Terms:
=4n2+5+2n2+−4
=(4n2+2n2)+(5+−4)
=6n2+1
Answer:=6n2+1

View image Аноним
(4n² + 5) - (-2n² - 4)
4n² + 2n² + 5 + 4
6n² + 9