Question

X/3+3/X=15/X......quadratic equation

Answer 1

Hey friend,

Here is your answer,
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 x + 3  = 15 
3    x      x 

=> x² + 9  = 15
        3x         x

=> x² + 9   = 15
         3

=> x² + 9 = 45

=> x² = 45 - 9

=> x² = 36

=> x = +6  OR  -6

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Answer 2

Answer:

+ 6, -6

Step-by-step explanation:

x/3 + 3/x = 15 /x

or, (x²+9)/ 3x=15/x

or, x² +9 =45

or , x² +9 -45 =0

or, x² -36 =0

or, x² =36

x = √ 36

x= +6 ,-6