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i am given this function and need to integrate it

[tex]\frac{4x+7}{\sqrt{-4x^2+20x-9}}[/tex]

i have been trying to intergrate it by calling something T, preferably the expression under the sqrd root, or part thereof (-4x

[tex]\frac{4x+7}{\sqrt{-4x^2+20x-9}}[/tex]

i have been trying to intergrate it by calling something T, preferably the expression under the sqrd root, or part thereof (-4x

^{2}+20x=T) but i cant find the way to do this, cant find the best expression that fits both the denominator and numerator of the fraction.. any other ideas??
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