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My name is Ann [436]
3 years ago
15

(x+5)(x^2-2x+3) Plz solve this with steps.

Mathematics
1 answer:
vaieri [72.5K]3 years ago
4 0

Answer:

x^3+3x^2-7x+15

Step-by-step explanation:

first you've got to distribute x through (x^2-2x+3)

x^3-2x^2+3x, then distribute the 5 through (x^2-2x+3)

5x^2-10x+15 now you add that to x^3-2x^2+3x

x^3+3x^2-7x+15

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An arithmetic sequence has a common difference of 2 and contains the value 86 at some point in the sequence. Which of the follow
shusha [124]

Answer:

B. a_{n} = a_{n-1}+2; a_{1} = 2

Step-by-step explanation:

According to the statement, we find that the following two conditions must be observed:

a_{i} = 86 (Eq. 1)

a_{i}-a_{i-1} = 2 (Eq. 2)

Since the difference between two even numbers leads to another even number. Hence, a_{1} must be an even number and the correct answer is B.

3 0
3 years ago
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Answer:

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Step-by-step explanation:

2x - 37 =

2(7) - 37 =

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5 0
3 years ago
(20+.5x)+.15(20+.5x)how do you work this question out
Veronika [31]
Distribute the .15 on the right side to get:
20 + .5x + 3 + .075x

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...and that's your final answer!
6 0
3 years ago
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Read 2 more answers
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Dima020 [189]

Answer:

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Step-by-step explanation:

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