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snow_lady [41]
3 years ago
12

Multiply the polynomials. (2x2 + 6x + 6)(3x – 2)

Mathematics
1 answer:
gavmur [86]3 years ago
6 0

Answer:

6x^{3}+16x^{2} +6x-12

Step-by-step explanation:

To calculate the result of that mutiplication you have to firs evaluate the first term of the second function multipying the whole first function, woudl be like this:

(3x)(2x^{2}+6x+6)= 6x^{3}+18x^{2} +18x

Now that you have this, you multiply the second term from the second function to obtain:

(-2)(2x^{2}+6x+6)= -4x^{2}-12x-12

Now you just have to add both results:

6x^{3}+18x^{2} +18x

+       -4x^{2}-12x-12

And the result of the sum would be:

6x^{3}+16x^{2} +6x-12

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20 x 4 ____ 80 =0 write + - to make the sentence true Question 2: 100 x 100 _____1 = 10,001
Masja [62]
Hi there!

Question 1: Answer: -
20 x 4 - 80 = 80 - 80 = 0

Question 2: Answer: +
100 x 100 + 1 = 10,000 + 1 = 10,001
5 0
3 years ago
Find the 6th term of the arithmetic sequence X – 9, -X – 11, -3.3 – 13, ...
MrMuchimi

Answer:

-13x-23

Step-by-step explanation:

Given sequence:  x-9, -x-11, -3x-13

Therefore,

  • a_1=x-9
  • a_2=-x-11
  • a_3=-3x-13

General form of an arithmetic sequence: a_n=a+(n-1)d

(where a is the first term and d is the common difference)

To find the common difference, subtract a term from the next term:

\begin{aligned}d & =a_2-a_1\\ & =(-x-11)-(x-9)\\ & = -x-11-x+9\\ & = -2x-2\end{aligned}

Therefore,

a_n & =(x-9)+(n-1)(-2x-2)

To find the 6th term, input n = 6 into the equation:

\begin{aligned}\implies a_6 & =(x-9)+(6-1)(-2x-2)\\ & = (x-9)+7(-2x-2)\\ & = x-9-14x-14\\ & = -13x-23\end{aligned}

3 0
2 years ago
Write the inequality for the graph
Svetach [21]

Answer:

x≤-2

Step-by-step explanation:

it would be that because if the graph is going to the left that means it is less than x and the opposite is for greater than. Now if there is a closed circle that means the sign is equal to hence the line under the sign. So therefore it's x≤-2

5 0
3 years ago
2+2+2+2+2+2+(2x9x9x9x9xx9x9)=?
Luden [163]

Answer:

50000000

Step-by-step explanation:

Do it yourself

6 0
3 years ago
Read 2 more answers
Choose a number between 55 and 101 That is multiple of 6,9, and 18
kirza4 [7]
So what is the question i didnt get it?
5 0
2 years ago
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