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cluponka [151]
3 years ago
7

Solve these two by using factor the polynomial by grouping

Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Answer:

15. (8x^3 + 27)(x + 1)

17. (x^2 + 3)(x + 2)

Step-by-step explanation:

8x^3(x + 1) + 27(x + 1)

x^2(x + 2) + 3(x + 2)

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To find the mean, or often called the average, we should add all of the values up, and then divide it by the number of values.

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To find the median, we need to order the data from lowest to highest and find out which credit score(s) are right in the middle. If there are 2 in the middle, we simply should add them and divide by 2 to get our median. An easy way to do this is after you order them, you simply cross off one on each side until there is only 1 (or 2) left.

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We know the mean is bigger, so we should subtract the median from the mean.

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