Question

if x - y = 13 and xy = 30 , find x + y

Answer 1

(x-y)²=13²

x²-y²-2xy=169

x²-y²-60=169

x²-y²=169+60

x²-y²=229

(x+y)²=229

x+y=17

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Answer 2

Answer:

Hope this helps!!

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Step-by-step explanation:

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