if 3x+2/x=7,then [9x2-4/x2]
Answers
Answered by
10
Answer:
hi mate here is your answer
Step-by-step explanation:
3x+2/x= 7
3x+2 = 7x
3x-7x = -2
-5x = -2
x = 2/5 [ - gets cancelled]
[9(2/5)-4/(5/2)2]
18/5 -4 /5
(18/5 - 20/5 )/5
-2/5/5=-2 / 25
-2/25
Similar questions