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Ksju [112]
3 years ago
6

Simplify the following expression in your notebook. Select the correct answer.

Mathematics
2 answers:
Archy [21]3 years ago
6 0

-24n2+31 if im correct!

OleMash [197]3 years ago
3 0

Answer:

-24n^2 + 31

Step-by-step explanation:

7 - 3[(n^3 + 8n) divide (-n) + 9n^2]

To simplify it we use order of operation PEMDAS

Parenthesis , exponents , multiply, divide, add and subtract

7 - 3[(n^3+ 8n) divide (-n) + 9n^2]

LEts start with parenthesis (divide by -n)

7 - 3[-n^2-8+ 9n^2]

Now we simplify the parenthesis by combining like terms

7 - 3[-8+8n^2]

multiply by -3

7+24 -24n^2

-24n^2 + 31

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