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Helen [10]
3 years ago
6

Whats 2x (3x-9x) if you answer this you get 10 points​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

2x(3x-9x)

=2x(-6x)

=-12x^2

frutty [35]3 years ago
3 0

Answer:

- 12x²

Step-by-step explanation:

Given

2x(3x - 9x)

= 2x(- 6x)

= - 12x²

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Determine if the expression -8c-9c^4d^2−8c−9c
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Answer:

-8c-9c^4d^2-8c-9c is a polynomial of type binomial and has a degree 6.

Step-by-step explanation:

Given the polynomial expression

-8c-9c^4d^2-8c-9c

Group like terms

=-9c^4d^2-8c-8c-9c

Add similar elements: -8c-8c-9c=-25c

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Thus, the polynomial is in two variables and contains two, unlike terms. Therefore, it is a 'binomial' with two, unlike terms.

Each term has a degree equal to the sum of the exponents on the variables.

The degree of the polynomial is the greatest of those.

25c has a degree 1

-9c^4d^2 has a degree 6.   (adding the exponents of two variables 'c' and 'd').

Thus,

-8c-9c^4d^2-8c-9c is a polynomial of type binomial and has a degree 6.

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