Find the least common denominator for these two rational expressions a / a^2 - 6a + 97 / a^2 - 8a + 15

factor the 2 denominators:-

a^2 - 6a + 9 = (a - 3)(a - 3)

a^2 - 8a + 15 = (a - 3)(a - 5)

((a - 3) is common to both sets of factors so the LCD is:-

(a - 3)(a - 3)(a - 5) or this can be written as (a -3)^2(a - 5)

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step-by-step explanation:

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times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3