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Verified answer
Jawaby = (-3x +4) /(2x - 5)
y = u/v
u = -3x + 4
u' = -3
v = 2x -5
v' = 2
y = u/v → y' (u'v - uv')/(v²)
y' = { -3(2x -5) - 2(-3x +4)/ (2x - 5)²
y' = ( -6x +15 + 6x - 8) / (2x - 5)²
y' = 7/(2x - 5)²