Question

(1+x/1-x - 2x/1-x)÷ (1-x/1+x+ 2x/1-x)​

Answer 1

Answer:

1

Step-by-step explanation:

$(\frac{1+x}{1-x} - \frac{2x}{1-x}) \div (\frac{1-x}{1+x}+ \frac{2x}{1-x})$

$=(\frac{1+x-2x}{1-x}) \div (\frac{1-x+2x}{1+x})$

$=(\frac{1-x}{1-x}) \div (\frac{1+x}{1+x})$

$=1 \div 1$

=1