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erastovalidia [21]
3 years ago
8

Factor x^2 + 5x + 6. a. (x + 1)(x + 6) b.prime c. (x + 1)(x + 5) 4.(x + 2)(x + 3)

Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0

Answer:

4. (x + 2)(x + 3).

Step-by-step explanation:

x^2 + 5x + 6

We need to find  2 numbers whose product is + 6 and whose sum = + 5.

They are +2 and +3.

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Complete the square to solve 4x^2 + 24x = 4
dalvyx [7]

Answer:

4x^2+24x=4

Step 1:

make the coefficient of x² as 1, divide both sides by 4

x² +6x =1

Step 2:

take half of coefficient of x, square it and add it to both sides

half of 6 is 3 and 3²=9, so add 9 to both sides

x² +6x+9=1+9

x²+6x+3²=10

(x+3)²=10

now when we take square root we will get both + and - √10 on right side

x+3= +√10

x+3=-√10

solving for x

x=+√10-3

Step-by-step explanation:

4 0
3 years ago
This is for my mid term exam review but it’s #2 and it goes with the other question I answered
vodomira [7]

Answer:

B. 8 x 10^3

Step-by-step explanation:

1.6 x 10^5 / 0.2 x 10^2

= 160 000 / 20

= 8 000

You can write this as 8 x 10^3

3 0
2 years ago
Which of the following is equal to the rational expression when x doesnt equal 5? x^2 - 25/ x - 5
scoundrel [369]
The complete question in the attached figure

we have that
(x²<span> - 25)/ (x - 5)

we know
</span>(x² - 25)-------------> (Difference of two squares)----------> (x+5)*(x-5)

then

(x² - 25)/ (x - 5)<span>-------> (x+5)*(x-5)/(x-5)------------> (x+5)

the answer is the option B)
(x+5)</span>

4 0
3 years ago
Read 2 more answers
Determine the coordinates of the triangle shown below after a dilation with a scale factor of 4
tatyana61 [14]
Do you have the picture?
3 0
3 years ago
terracE baked 15 cookies he gave 6 to his sister what percentage of the cookies did he give his sister​
torisob [31]

Answer:

40%

Step-by-step explanation:

6 is 40% of 15

3 0
3 years ago
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