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using BPT Theorem -
(x+4)/(x+3) =(2x-1)/(x+1)
=> (x+4)(x+1) = (x+3)(2x-1)
=> X^2 + X +4X + 4 = 2X^2 - X + 6X -3
=> X^2 -2X^2 = -3 -4
=> X^2 = 7
=> X = √7
X = +-7
(x+4)/(x+3) =(2x-1)/(x+1)
=> (x+4)(x+1) = (x+3)(2x-1)
=> X^2 + X +4X + 4 = 2X^2 - X + 6X -3
=> X^2 -2X^2 = -3 -4
=> X^2 = 7
=> X = √7
X = +-7
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