3 years ago

-7n - 15 - 4n + (7) simplify the expression by combining like terms. help please?

2 answers:

6 0

-7n-4n= -11n

-15+7= -8

-11n-8

Nady [450]3 years ago

3 0

-11n-8 is the answer

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DaniilM [7]

Answer:

sum of the polynomials is $9 x^{3} - 4 x^{2} +3x$

Step-by-step explanation:

Given polynomial is (7 x^3– 4 x^2) + (2 x^3 +3 x)

adding x^3 terms, now we get

$(7+2)x^3-4 x^2+3 x$

$9 x^{3} - 4 x^2 +3 x$

Therefore the sum of given polynomial is

$9 x^3-4 x^2+3 x$

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And where is the graph? I'll change my answer.

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