2. Factor 4a - 36. 4a3 - 36 = (az - 9) The GCF is 4a (a² - ) Write in the form x2 - y2 factor the difference of two squares. Topic. Operation on Rational Algebraic Expressions. 3. Find the sum of 2 2 212 + 2(mn)+_7(12) Get the LCD of 12' Im im mn 1 mn Solve 6r 5s 4. Subtract 3r 2s 5s 6r 2s (5s )-3r (9) 1 = 3r 2s Get the Icd of 3r and 2s Solve

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