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Anarel [89]
3 years ago
5

(3-7n^2+3n^3)-(6n^3-1-5n^2). Simplify.

Mathematics
2 answers:
quester [9]3 years ago
5 0

Answer:

-3n^3 - 2n^2 + 4.

Step-by-step explanation:

(3-7n^2+3n^3)-(6n^3-1-5n^2)

First distribute the negative over the second parentheses:

= 3 - 7n^2 + 3n^3 - 6n^3 + 1 + 5n^2

Now simplify like terms:

= -3n^3 - 2n^2 + 4 (answer).

Burka [1]3 years ago
3 0

Simplify

3 - 7n^2 + 3n^3 - (6n^3 - 1 - 5n^2)

Simplify brackets

3 - 7n^2 + 3n^3 - 6n^3 + 1 + 5n^2

Collect like terms

(3 + 10) + (-7n^2 + 5n^2) + (3n^3 - 6n^3)

Simplify

<u>4 - 2n^2 - 3n^3</u>

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3 years ago
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Step-by-step explanation:

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3 years ago
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Alinara [238K]

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Pyramid

Step-by-step explanation:

Hope this helps!

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3 years ago
The sum of the digits of a two-digit number is 13. Twice the first digit is 1 less than the second digit. What is the two digit
Alex

Answer:

6 and 7

Step-by-step explanation:

10(13-X) + X= 13-9X. 3×2=6. 7-6=1. 7+6=13

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The price of a television is $245. The sales tax rate is 8%. What is the amount of the sales tax?
Elza [17]

Answer:

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Step-by-step explanation:

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