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AURORKA [14]
3 years ago
13

Simplify the expression (1 - 3n3 + 2n4) + (8n4 – 13 – 7)

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0

Answer:

=10n^4 - 3n^3 -20

Step-by-step explanation:

Given that:

=(1 - 3n3 + 2n4) + (8n4 – 13 – 7)

By opening the brackets we get:

= 1-3n3 +2n4 +8n4 -13 -7

By adding like terms: Constants into constants and variables with same powers of x.....

= -20 - 3n3 +10n4

So by arranging the answer in decreasing order of powers of x:

=10n^4 - 3n^3 -20

I hope it will help you!

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