SOLUTION: If 100-2xy-y^2=x^2, which of the following must be true?
a. x-y=10
b. x^2+y^2=100
c. (x+y)(x-y)=100
d. (x+y)^2=100
e. (x-y)^2=100
please explain how to solve this for me, it
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-> SOLUTION: If 100-2xy-y^2=x^2, which of the following must be true?
a. x-y=10
b. x^2+y^2=100
c. (x+y)(x-y)=100
d. (x+y)^2=100
e. (x-y)^2=100
please explain how to solve this for me, it
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Question 393556: If 100-2xy-y^2=x^2, which of the following must be true?
a. x-y=10
b. x^2+y^2=100
c. (x+y)(x-y)=100
d. (x+y)^2=100
e. (x-y)^2=100
please explain how to solve this for me, its been awhile. Found 2 solutions by richard1234, mananth:Answer by richard1234(7193) (Show Source):
You can put this solution on YOUR website! If 100-2xy-y^2=x^2, which of the following must be true?
a. x-y=10
b. x^2+y^2=100
c. (x+y)(x-y)=100
d. (x+y)^2=100
e. (x-y)^2=100
please explain how to solve this for me, its been awhile.
...
100-2xy-y^2=x^2
bring all the variables to the right side of the equation
100 = x^2+2xy+y^2
...
use the formula
a=x,b=y
100=(x+y)^2
OPTION D
...
m.ananth@hotmail.ca
