Question

Напишите полное решение 6!! Плиз

Answer 1

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Answer 2

$1)\frac{5}{x+5}+ \frac{x^{2}+25} {x^{2}-25}- \frac{5}{5-x}= \frac{5}{x+5}+ \frac{x^{2}+25} {(x+5)(x-5)}+ \frac{5}{x-5}= \frac{5x-25+x^{2}+25+5x+25} {(x+5)(x-5)}= \frac{x^{2}+10x+25} {(x+5)(x-5)}= \frac{(x+5)^{2}} {(x+5)(x-5)}=\frac{x+5}{x-5} \\ \\2)\frac{x^{2}+5x} {(x-5)^{2}}: \frac{x+5}{x-5} = \frac{x(x+5)}{(x-5)^{2}}* \frac{x-5}{x+5}= \frac{x}{x-5}$