Question

solve for x and y (a-b) x+(a+b) y= a^2 -2ab -b^2, (a+b) (x+y) =a^2-b^2​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

the answer must be x=a, y=-b

y(a+b)+x(a-b)=x^2 -2ab -y^2

and (a+b)(x+y)=a^2-b^2 .......(1)

from this expression we can written it as

x(a+b) +y(a+b)=a^2-b^2

by using this we get

x( a-b) =x(a+b)-2ab

x = a

and from equation 1 we get

x+y=a-b

y=-b (by putting x=a)