3x-2/x = 5 then 3x+2/x = ?
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Answered by
3
Answer:
7.
Step-by-step explanation:
3x-2/x=5
=> (3x^2 -2)/x=5
=> 3x^2 -2 =5x
=> 3x^2 - 5x - 2=0
Solve quadratic equation, (more efficient using formula)
x comes as 2
substitute the value of x in the asked equation
3x2 +2/2
=6+1
=7(ans)
rehan45628:
without quadratic equation can you solve this
let me see.....
no, i cant because the question seems to be of quadratic equation.
why, is the explanation not appropriate
ok no problem i found the trick
by your method
thanks
you're welcome :)
yAha
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