faithwilmoth02 faithwilmoth02

21-02-2019
Mathematics

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let f(x) =x squared +3x-4 and g(x) =x+5. Find f(x) times g(x).

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choixongdong choixongdong

21-02-2019

Answer:

x^3 + 8x^2 + 11x - 30

Step-by-step explanation:

f(x) times g(x) = (x^2 +3x-4)(x+5)

= x^3 + 5x^2 + 3x^2 + 15x - 4x - 20

= x^3 + 8x^2 + 11x - 30

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