Raymond B. answered 03/03/21
Tutor
5
(2)
Math, microeconomics or criminal justice
x-y=3
x^2-y^2 = (x+y)(x-y) = 12
(x+y)(x-y)= 12
4(x-y) = 12
x-y = 12/4 = 3
Shahd H.
asked 03/03/21x² − y²=12̇ , x + y = 4 , then x − y = ....
Help me find the answer please
Raymond B. answered 03/03/21
Math, microeconomics or criminal justice
x-y=3
x^2-y^2 = (x+y)(x-y) = 12
(x+y)(x-y)= 12
4(x-y) = 12
x-y = 12/4 = 3
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Shahd H.
Thank you so much03/04/21