Предмет: Алгебра, автор: klimenkol21

нужна помощь!
1) 2/ x²-9 + 1/ x+3
2)2x/ x-4 - 5x-2/ x²-16

Ответы

Автор ответа: Сасосьба
0
1) \frac{2}{(x-3)*(x+3)}+ \frac{1}{x+3} = \frac{2+x-3}{(x-3)*(x+3)} = \frac{x-1}{(x-3)*(x+3)}
\left \{ {{x=1} \atop {x \neq 3, x \neq -3}} \right.
2) \frac{2x}{x-4} - \frac{5x-2}{(x+4)*(x-4)} = \frac{2 x^{2}+3x+2}{(x+4)*(x-4)}

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