isabellanava isabellanava

10-03-2021
Mathematics

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Use synthetic division to evaluate f(x) = -4x^3+3x^2–17 when x = -2.

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Ping123 Ping123

10-03-2021

Answer:

f = 27

Step-by-step explanation:

f(-2) = -4(-2)^3 + 3(-2)^2 - 17

f = -(-2^3 x 4) + (-2^2) x 3 - 17

f = -(-2^3 x 4) + 2^2 x 3 - 17

f = 4 x 2^3 + 3 x 2^2 - 17

f = 32 + 12 - 17

f = 27

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