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Rufina [12.5K]
2 years ago
6

Select the factors of x2 - 14x + 49

Mathematics
2 answers:
Arlecino [84]2 years ago
8 0
The factors are -7 and -7, and I used the x puzzle factoring method.
-7 plus -7 equals 14 and -7 times -7 equals 49
marissa [1.9K]2 years ago
6 0
(X-7)(x-7)
Hope this is what you're looking for!
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Factor completely 4x^2 − 32
Blababa [14]

Answer: 4(x+2\sqrt{2})(x-2\sqrt{2})

Step-by-step explanation:

We can first take out the common factor of 4, as both 4x² and -32 are divisible by 4.

4(x^2-8)

From here, we can assume that x²-8 is a difference of two squares even though 8 is not a perfect square.

<em>For review, a difference of two squares </em>a^2-b^2 can be factored into (a+b)(a-b).

4(x^2-8)\\4(x+\sqrt{8})(x-\sqrt{8})\\4(x+2\sqrt{2})(x-2\sqrt{2})

4 0
1 year ago
4x-6 equals -2 algebraically​
Angelina_Jolie [31]

Answer:

x=1

Step-by-step explanation:

4x-6= -2

    +6=+6

   <u>4x</u>=<u>4</u>

    4 = 4

       x= 1

3 0
3 years ago
Can someone please help me.. very quickly .. thank you
Alisiya [41]
X/8 + 12 = 16 
start by subtracting twelve from both sides
x/8 + 12 = 16 
      - 12   -12
You're left with x/8 = 4
Multiply both sides by 8
8× x/8 = 4 ×8
Your answer is x = 32
If you need to simplify, the answer is 2. 


 
3 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through (5.-9) and (2.5).
Kipish [7]

Answer:

y = -14/3x + 43/3

Step-by-step explanation:

y2 - y1 / x2 - x1

5 - (-9) / 2 - 5

14 / -3

- 14/3

y = -14/3x + b

5 = -14/3(2) + b

5 = -28/3 + b

43/3 = b

y = -14/3x + 43/3

4 0
3 years ago
Write an equation for 22 = -11k
Naily [24]

Step-by-step explanation:

In words it is:   The product of -11 and k is 22.

The solution is:   -11  =  +11

                            22+11 = 33

                              33  =  k

6 0
3 years ago
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