Math, asked by nishaiiisheki2175, 8 months ago

14x / x+1 < 9x - 30 / x-4

Answers

Answered by ShlokTiwariIIT
8

Answer:

Step-by-step explanation:

Attachments:
Answered by mathewjoel010
5

Answer:

Step-by-step explanation:

   14x/x+1 < 9x-30/x-4

=   14x/x+1 - 9x-30/x-4 < 0

Now Take The LCM and SUBTRACT

LCM= (x+1)(x-4)

=14x(x-4) -  (9x-30)(x+1)/(x+1)(x-4) < 0

=14x^{2}-56x-(9x^{2}+9x-30x-30)/(x+1)(x-4) < 0

=14x^{2}-56x-9x^{2}-9x+30x+30/(x+1)(x-4) < 0

=5x^{2}-35x+30/(x+1)(x-4) < 0

=x^{2}-7x+6/(x+1)(x-4) < 0

=x^{2}-6x-x+6/(x+1)(x-4) < 0

=x(x-6)-1(x-6)/(x+1)(x-4) < 0

=(x-6)(x-1)/(x+1)(x-4) < 0

AS x>1 & x>6

x <---- (-1,4)

It will be always greater than 0 (Denominator>0)

This is it

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