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Vesna [10]
3 years ago
10

Simplify the following expression -5[(x^3+1)(x+4)]

Mathematics
1 answer:
katrin [286]3 years ago
4 0

Answer:

B

Step-by-step explanation:

-5[ (x³+1)(x+4) ] = -5[ x³*(x+4) + 1*(x+4) ]

      = -5 [ x³*x + x³*4 + 1*x + 1*4 ]

      = -5 [ x⁴ + 4x³ + x + 4]

      = -5*x⁴ + (-5)*4x³ + (-5)*x + (-5) * 4

      = -5x⁴ - 20x³ - 5x - 20

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Step-by-step explanation:

Given: f(x) = 4x^2 \text { and } g(x) = x+1

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As we know it is composition function which means that  g(x) function is in f(x) function.

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