Adding & subtracting rational expressions

# Add & subtract rational expressions

Example: Subtract and simplify (a-2)/(a+2) - (a-3)/(a²+4a+4).

Adding & subtracting rational expressions

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# Add & subtract rational expressions

### Problem

Example: Subtract and simplify (a-2)/(a+2) - (a-3)/(a²+4a+4).