2 answers:
Given :-

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<em>a² - b² = ( a + b ) ( a - b ) </em>
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<em>Is the answer. </em>
Hope my answer helps!!
Answer:
1/(c - d)
Step-by-step explanation:
Multiply numerator and denominator by cd, then factor the denominator and cancel the common factor. (The result is restricted to c+d ≠ 0.)

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