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Aleksandr-060686 [28]
3 years ago
5

What's P squared -1 factorised?

Mathematics
1 answer:
Aleksandr [31]3 years ago
8 0
(p+1) (p-1). solved this on paper . hope it helps .
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<img src="https://tex.z-dn.net/?f=5xy%20%7B%20-%20x%7D%20%5E%7B2%7D%20%7Bt%7D%20%20%2B%202xy%20%2B%203x%20%7B%7D%5E%7B2%7D%20t"
fenix001 [56]

Answer: 7xy + 2x^2t

Step-by-step explanation:

6 0
2 years ago
Which is greater 4\5 or 3/4
umka21 [38]
3/4 is greater hope that helped
7 0
3 years ago
Read 2 more answers
-3x-y=-17 4x + 2 y equals 20
ExtremeBDS [4]
-3x - y = -17
4x + 2y = 20

multiply one part of the equation so that we can be able to use the process of elimination.

(-3x - y = -17)2
4x + 2y = 20

Now we have:

-6x -2y = - 34
4x+2y= 20
------------------------
-2x = -14

Divide -2 on both sides.

-2x = -14
/-2       /-2

x = -7.


=============================================

To solve for y, we just have to substitute the value of x to any of the equation given above, that we feel comfortable with. And I'm going to choose this equation: 4x + 2y = 20


4x + 2y = 20

4(-7) + 2y = 20

-28 + 2y = 20

Add 28 on both sides

-28 + 2y = 20
+28          +28
---------------------
2y = 48
/2      /2

y = 24.


The last thing you would do is to check if the answers is correct.
All you have to do is plug in the values of x and y into both equations and see if they equal to one another.

You may have to do this by yourself :P

Anyways, if you have any questions about this topic, feel free to PM me or any other users interested. Thank you for being part of Brainly! Have a nice day!










4 0
3 years ago
So I'm still trying to figure out but tell me. What are two demicals rounded to 1.5
Andrej [43]
451.76 and <span>451.7576 these two</span>
7 0
3 years ago
Write each fraction as a percent.<br><br> 1. 3/10<br><br> 2. 7/20<br><br> 3. 8/25
allsm [11]
3/10=30/100=30%
7/20=35/100=35%
8/25=32/100=32%
4 0
3 years ago
Read 2 more answers
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