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Fiesta28 [93]
3 years ago
7

Solve(x+y)^2=(x^2-2xy+y^2) and show your work

Mathematics
2 answers:
svp [43]3 years ago
8 0

The answer is 0!

Hope i helped :)

Shtirlitz [24]3 years ago
7 0

(x + y)^2 = (x^2 - 2xy + y^2)

First distribute the ^2 on the left side of the equation to each term inside the parenthesis:

x^2+ 2xy + y^2

Now pick one of the variables to solve for and isolate it:

(solving for x)

x^2 + 2xy + y^2 = x^2 - 2xy + y^2

x^2+ 2xy = x^2 - 2xy

2xy = -2xy

-x = x

x = 0

When you solve for y in the equation it will turn out to be 0 as well

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I NEED HELP WITH THIS. PLEASE HELP. I'M GETTING GRADED ON IT TODAY.
choli [55]

Answer:

Point P = (-9,11)

Step-by-step explanation:

Point M: (1,3)               X and Y have the 2 on the bottom right of them

Midpoint N: (-5,7)

Point P: (X*2, Y*2)

( 1 + X*2          3  + Y*2 )

( _______     ________ )     =     (-5 , 7)

(      2         ,          2          )

( 1 + X*2 )

( _____ )     = -5  

(      2     )

Then multiply the left equation above by 2, and that cancels out the 2 being

divided on the bottom. Also, multiply the -5 by 2 and you get -10

1 + X*2 = -10

+1             +1

__________

X*2 =       -9    

X = -9

( 3 + Y*2 )

( ______ )       =  7

(      2       )

Then multiply the left  equation above by 2, and that cancels out the 2 being divided on the bottom. Also, multiply the 7 by 2 and you get 14

3 + Y*2 = 14

-3             -3

_________

Y*2 =       11

Y = 11

Hope this helps, good luck! :)

3 0
3 years ago
Read 2 more answers
Help<br> thanks!!!!!!!!!!!!!!!!!!!!!!!!!
harkovskaia [24]
The answer is A because that information they gave to you
6 0
2 years ago
Read 2 more answers
Can someone help me please?
Shtirlitz [24]
The image isn’t loading for me , try reuploading
8 0
3 years ago
There are 515 students who attend central middle school. Three out of every 5 students live within 1 mile of the school. How man
AleksandrR [38]

Answer:

103 students live 1 mile away from the school.

Step-by-step explanation:

First dicide what the problem is really asking you then you end up getting divisoin them divide 515/3.

5 0
3 years ago
Solve the equation.<br> 7-4(2w + 1) = 9w-49+ w)<br> EEE.<br> W=<br> (Simplify your answer.)
tatiyna

7 - 4(2w + 1) = 9w - 49 + w \\ 7 - 8w - 4 = 10w - 49 \\ 10w + 8w = 7 - 4 + 49 \\ 18w = 52 \\ w =  \frac{52}{18}  \\ w= 2.88

I hope I helped you^_^

8 0
2 years ago
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