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Colt1911 [192]
3 years ago
10

Multiply the polynomial (x-5)(x^2+4x-2)

Mathematics
2 answers:
nataly862011 [7]3 years ago
7 0
I believe the answer is (x^3)-(x^2)-22x+10
scoundrel [369]3 years ago
7 0

Answer:

x³ - x² - 22x + 10

Step-by-step explanation:

Given

(x - 5)(x² + 4x - 2)

Each term in the second factor is multiplied by each term in the first factor, that is

x(x² + 4x - 2) - 5(x² + 4x - 2) ← distribute both parenthesis

= x³ + 4x² - 2x - 5x² - 20x + 10 ← collect like terms

= x³ + (4x² - 5x²) + (- 2x - 20x) + 10

= x³ + (- x²) + (- 22x) + 10

= x³ - x² - 22x + 10

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For which of the following is x=-5 a solution. Select all that apply
mafiozo [28]

I think the answer is 3 but I’m not sure.

Hope this helps!

6 0
3 years ago
Let t[1..n] be a sorted array of distinct integers, some of which may be negative. give an algorithm that can find an index i su
lisabon 2012 [21]
Assuming we need to find i such that 
1 ≤ i ≤ n  and t[i]=i.

If we need to find only the first occurrence, we can do:

for i:1 to n {
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}

If exhaustive search is required, then put the results (values of i) in an array or a linked list, return the number of values found, and the array (or linked list).


8 0
3 years ago
Plz help me on dis math
vlabodo [156]
The first answer is B: 2 1/2

4 5/6 is put there twice except the last one is subtracting so you can put, 4 5/6 - 4 5/6 = 0 therefore the only number left is 2 1/2

the second one I really don't know sorry:(

The third answer is C because the cases come in 24. But they didn't tell you how many case she brought so the variable has to be by 24 and they took 43 which is the subtracting factor. So the answer is C.

And I also don't know the last one again sorry:(
8 0
3 years ago
Please help ASAP!!!! Thank you!
GarryVolchara [31]
It maybe be B if i am wrong i am sorry.
3 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLST <br><br> HAVE A GOOD DAY
sweet [91]

Answer:

6.633249581 and I would say it's irrational

Step-by-step explanation:

:)

6 0
3 years ago
Read 2 more answers
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