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weeeeeb [17]
3 years ago
10

Given that f(x) = x2 – 12x + 27 and g(x) = x – 9, find (f.g)(x) and express

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0

Step-by-step explanation:

f(x) = {x}^{2}  - 12x + 27 \\ g(x) = x - 9 \\ (f \times g)(x) = ( {x}^{2}  - 12x + 27)(x - 9) \\ (f \times g)(x) =  {x}^{3}  - 9 {x}^{2}  - 12 {x}^{2}  + 108x + 27x - 243 \\ (f \times g)(x) =  {x}^{3}  - 21 {x}^{2}  +  135x - 243

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