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PolarNik [594]
2 years ago
9

X^2+6x+3/x+2 divide polynomial

Mathematics
1 answer:
melamori03 [73]2 years ago
8 0

Answer:

x

=

±

2

√

3

−

3

Step-by-step explanation:

Add

3

to both sides of the equation.

x

2

+

6

x

=

3

To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of

b

.

(

b

2

)

2

=

(

3

)

2

Add the term to each side of the equation.

x

2

+

6

x

+

(

3

)

2

=

3

+

(

3

)

2

Simplify the equation.

Tap for more steps...

x

2

+

6

x

+

9

=

12

Factor the perfect trinomial square into

(

x

+

3

)

2

.

(

x

+

3

)

2

=

12

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A rectangle is drawn so the width is 97 inches longer than the height. If the rectangle's diagonal measurement is 113 inches, fi
inn [45]

Step-by-step explanation:

h = height of rectangle (should be "length", but ok)

w = width of rectangle

w = h + 97

the diagonal of the rectangle is the Hypotenuse (baseline) of a right-angled triangle with the legs being one height and one width side of the rectangle.

so, we use Pythagoras

c² = a² + b²

with c being the Hypotenuse (the side opposite of the 90° angle).

diagonal² = h² + (h + 97)² = h² + h² + 2×97h + 97²

113² = 12769 = 2h² + 194h + 9409

3360 = 2h² + 194h

1680 = h² + 97h = (h + 97/2)² - 9409/4

(completing the square)

6720/4 + 9409/4 = (h + 97/2)²

16129/4 = (h + 97/2)²

127/2 = h + 97/2

30/2 = h = 15

the height is 15.0 in

8 0
1 year ago
What is 17 x 5.8 SHOW YOUR WORK please send a photo of work by pressing
11Alexandr11 [23.1K]

Answer:

98.6

Step-by-step explanation:

in photo!!

3 0
8 months ago
Last year, Shantell bought a car for $24,000. The current value of the car is $21,000. Find the percent decrease in the value of
Morgarella [4.7K]
<span>Last year, Shantell bought a car for 24 000 dollars. It decreases to 21 000 dollars this current year.
Let’s find for the percentage that it decreased.
=> in 24 000 the 50% is 12 000 as we all know since it’s divided by 2. So meaning, the possible answer is less than 50%.
=> now 25% of 24 000 is 6 000, and the amount that we’re looking is 3000, thus, the answer is 12.5%
=> 24 000 * 0.125 = 3000
=> 24 000 – 3000 = 21 000</span>



4 0
2 years ago
Help me with this please! :D
Nady [450]

Answer:

#1=2

#2= 14

#3= 26

#4= 32

Step-by-step explanation:

y=6x-16

Lets use the first one as an example: since x is our variable we can plug in 3 into the equation to make y=(6x3)-16. 6x3=18, so y=18-16 which is 2. You can plug in any other number to find your answer as long as you follow the pattern in the equation.

8 0
3 years ago
Read 2 more answers
PLEASEEEE!!! What is the best first step for solving the equation -1.8 = 2z−185
Vsevolod [243]

The first step in this equation is to Subtract 18 from both sides of the equation.

5 0
3 years ago
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