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2 years ago

What is the sum of the polynomials?

Mathematics

1 answer:

Mamont248 [21]2 years ago

8 0

the sum of polynomials is $3x^{2}$ + 6x + 4

Step-by-step explanation:

Question:

(6x+7+ $x^{2}$ ) + ( $2x^{2}$ - 3)

Step 1: Open the bracket according to BODMAS rule

6x+7+ $x^{2}$ + $2x^{2}$ - 3

Step 2: Arrange

x^{2}[/tex] + $2x^{2}$ + 6x + 7 - 3

Step 3: Simplify

$3x^{2}$ + 6x + 4

Therefore, the sum of polynomials is $3x^{2}$ + 6x + 4

Keyword: polynomial

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Answer:

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Step-by-step explanation:

Given Arithmetic sequence is:

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nth term of an Arithmetic sequence is given as:

$a_n = a + (n - 1) d\\$

Plugging a = 28 & d = - 3 in the above equation, we find:

$a_n = 28 + (n - 1) (-3)\\\\a_n = 28 - 3n +3\\\\\huge\purple {\boxed {a_n = 31 - 3n}} \\(This \:is \:the \:required \:equation) \\\\Plug \: n = 30, \: we \: find:\\\\a_{30}= 31 - 3 \times 30\\\\a_{30}= 31 - 90\\\\\huge\orange {\boxed {a_{30}= 59}} \\\\$

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