Question

4/х +10/х+1=3
/ дробь,помогите !

Answer 1

$frac4x+frac{10}{x+1}=3\frac{4x+4+10x}{x^2+x}=3\14x+4=3x^2+3x\3x^2-11x-4=0\D=121+4cdot3cdot4=169\x_{1,2}=frac{11pm13}6\x_1=-frac13,;x_2=4$