Math, asked by sumit125849, 1 year ago

if 9 X square + Y square is equal to 397 xy is equal to 38 find the value of 3 X + Y​

Answers

Answered by amarraj79
16

Answer:

(3x+y)^2=9x^2+y^2+6xy

(3x+y)^2=397+6*38

(3x+y)^2=625

3x+y=+-(root625)

3x+y=+-25

Answered by Vyomsingh
8

Answer:+-25

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