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emmainna [20.7K]
3 years ago
9

Evaluate 1x^3 –2x^2 – 4x- 6 at x = 4

Mathematics
1 answer:
Whitepunk [10]3 years ago
4 0

Answer:

10

Step-by-step explanation:

1x^3-2x^2-4x-6

x^3-2x^2-4x-6

(4)^3-2(4)^2-4(4)-6

64-2(16)-16-6

64-32-16-6

32-16-6

16-6

10

So when x=4, the output will be 10

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Harry buys a TV priced at £1200 plus 20% VAT.
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Answer:

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Step-by-step explanation:

From the question given above, the following data were obtained:

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