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Firdavs [7]
1 year ago
10

Question 14 of 25What is the complete factorization of the polynomial below?x³+x² + 4x+4O A. (x-1)(x+2)(x+2)B. (x + 1)(x + 2)(x

+ 2)O C. (x + 1)(x + 2)(x-2)O D. (x-1)(x + 2)(x-2)SUBMIT

Mathematics
1 answer:
mote1985 [20]1 year ago
4 0

GIVEN:

We are given the following polynomial;

x^3+x^2+4x+4

Required;

We are required to factorize this polynomial completely.

Step-by-step explanation;

To factorize this polynomial, we start by grouping;

(x^3+x^2)+(4x+4)

We now take the common factor in each group;

\begin{gathered} x^2(x+1)+4(x+1) \\  \\ (x^2+4)(x+1) \end{gathered}

Next, we factorize the first parenthesis. To do this we set the equation equal to zero and solve for x as follows;

\begin{gathered} x^2+4=0 \\  \\ Subtract\text{ }4\text{ }from\text{ }both\text{ }sides: \\  \\ x^2=-4 \\  \\ Take\text{ }the\text{ }square\text{ }root\text{ }of\text{ }both\text{ }sides: \\  \\ x=\pm\sqrt{-4} \\  \\ x=(\pm\sqrt{-1}\times\sqrt{4}) \\  \\ x=\pm2i \end{gathered}

Therefore, the factors of the other parenthesis are;

(x+2i)(x-2i)

Therefore, the complete factorization of the polynomial is;

ANSWER:

(x+1)(x+2i)(x-2i)

Option C is the correct answer.

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A garden table and a bench cost $714 combined. The garden table costs $64 more than the bench. What is the cost of the bench?
Ad libitum [116K]

Answer:

The bench costs $325

Step-by-step explanation:

let garden table = x

let bench = y

x = y+64

x+y = 714

y+y+64 = 714 (we know, x = y+64)

2y + 64 = 714

2y = 650

y = 325

6 0
1 year ago
Read 2 more answers
There are 39 adults and 26 children registered for a seminar. the seating is to be arranged so each row has the same number of p
madreJ [45]

The number of rows of seats needed to seat the greatest possible number of participants in each row is 5

<h3>What is Highest Common Factor ?</h3>

The highest common factor is the highest number that divides the numbers given.

On the basis of given data

Total number of children = 26

Total number of adults = 39

The highest common factor of both the number is 13 ,

Therefore the highest possible number of people that can sit in one row so that the number is in constant in all the rows.

So 2 rows of children of 13 each and

3 rows of adult of 13 each

Which makes the total number of rows = 5

Therefore the number of rows of seats needed to seat the greatest possible number of participants in each row is 5

To know more about Highest Common Factor

brainly.com/question/802960

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4 0
2 years ago
Hi, I'm very confused. I honestly don't get this at all! :(
gladu [14]
-a^2+7b^4-2c^3
-(-4)^2+7(-2)^4-2(-3)^3
= -(16)+7(16)-2(27)
= -16+112-54
=-70+112
=42
5 0
3 years ago
Does anybody know this answer????
Ira Lisetskai [31]

Answer:

959.42 x 10³

Step-by-step explanation:

9.62 x 10⁵ - 2.58 x 10³

= 962 x 10³ - 2.58 x 10³

= 959.42 x 10³

4 0
2 years ago
Read 2 more answers
Out of 1200 students of a school only 85% passed. how many students failed?​
DerKrebs [107]

Answer:15

Step-by-step explanation:

If 85% pass then 15% failed and 15% of 1,200 is 180 so 180 people failed.

7 0
3 years ago
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