Task/27240443
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решить уравнение 6/(x² -9) +3x/(x-3) = 1/(x+3) +5x/(x-3)
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6/(x -3)(x+3) - 1/(x+3) =5x/(x-3) - 3x/(x-3) ;
6 - (x-3) =2x(x+3) ;
2x² +7x - 9 =0 ; D = 7² +4*2*(-9) = 49 + 72 =121 =11²
x₁=(-7 -11)/ (2*2) = -18/4 = -4,5;
x₂ =(-7+11)/4 =1.
ответ : - 4,5 ; 1.