1/x-3-1/x+5=1/6 solve using factorisation
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Answered by
5
1/x-3 - 1/x+5 =1/6
taking LCM
x+5-(x-3) whole divided by (x-3)(x+5)=1/6
x+5-x+3 whole divided by x2+5x-3x-15=1/6
8/x2 +2x-15=1/6
BY cross multiplication:
x2+2x-15=48
=> x2+2x -15-48=0
=> x2+2x-63=0
=> x2+9x-7x-63= 0
=> x(x+9)-7(x+9)=0
=>(x+9)(x-7)= 0
=>x+9=0 => x=-9
x-7=0 => x=7
hence x= 7 or -9
taking LCM
x+5-(x-3) whole divided by (x-3)(x+5)=1/6
x+5-x+3 whole divided by x2+5x-3x-15=1/6
8/x2 +2x-15=1/6
BY cross multiplication:
x2+2x-15=48
=> x2+2x -15-48=0
=> x2+2x-63=0
=> x2+9x-7x-63= 0
=> x(x+9)-7(x+9)=0
=>(x+9)(x-7)= 0
=>x+9=0 => x=-9
x-7=0 => x=7
hence x= 7 or -9
HimanshuSingh11111:
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Answered by
6
Here is the your Answer dude
_________________________
1/(x-3) -1/(X+5) = 1/6
Take LCM (x-3) (X+5)
Now
(x+5)-(x-3) = [(X+5)(x-3)] /6
=>
X+5-x+3 = [x^2 -3x +5x -15 ] /6
=>
X^2+2x -15 = 8×6
X^2 +2x = 48+15
X^2 +2x -63=0
X^2+9x -7x -63 =0
X(X +9) -7(X+9) =0
(X+9) (x-7) Ans!
Hope it's helpful ✌
_________________________
1/(x-3) -1/(X+5) = 1/6
Take LCM (x-3) (X+5)
Now
(x+5)-(x-3) = [(X+5)(x-3)] /6
=>
X+5-x+3 = [x^2 -3x +5x -15 ] /6
=>
X^2+2x -15 = 8×6
X^2 +2x = 48+15
X^2 +2x -63=0
X^2+9x -7x -63 =0
X(X +9) -7(X+9) =0
(X+9) (x-7) Ans!
Hope it's helpful ✌
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