5/(2x+3)+(3-2x)/(x+2)=10
(5(x+2)+(3-2x)(2x+3))/((2x+3)(x+2))=10
(5x+19-4x^2)/(2x^2+7x+6)=10
(5x+19-4x^2)=10(2x^2+7x+6)
5x+19-4x^2-20x^2-70x-60=0
-65x-41-24x^2=0
D=(-65)^2-4*(-24)*(-41)=4225-3936=289
x1=(17-(-65))/(2*(-24))=-82/48=-41/24
x2=(-17-(-65))/(2*(-24))=-48/48=-1