If x² - y² = 28 and x + y = 7 then (x - y) is
Answers
Answered by
2
(X - Y) = 4
Step-by-step explanation:
x² - y² = 28
or, (x+y) (x-y) = 28
or, (x-y) = 28/(x+y) = 28/7 = 4
Answered by
0
Step-by-step explanation:
x-y =4
hope it help
thanks
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