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Viktor [21]
3 years ago
8

I need to find the second one show me how to

Mathematics
1 answer:
Bess [88]3 years ago
8 0

Answer:

First of all, the second one? it lloks like you got it correct

Step-by-step explanation:

You might be interested in
1. Add or Subtract. Show your work
Sav [38]

QUESTION 1a.

We want to add

( - 2 {x}^{2}  - 4x + 13) + (12 {x}^{2}  + 2x - 25)

We group similar terms to get

- 2 {x}^{2}  + 12 {x}^{2}- 4x + 2x   - 25 + 13

Simplify:

- 10{x}^{2} - 2x  -12

QUESTION 1b.

The given function is:

(7x^2+4x-26)-(-7x^2-3x+15)

Expand the parenthesis to obtain,

7x^2+4x-26 + 7x^2 + 3x - 15

Group similar terms,

7x^2+7 {x}^{2}  + 4x + 3x-26  - 15

Simplify:

14{x}^{2}  + 7x-41

QUESTION 2

The given function is

f(n)=n^2-6n-16

The zeros of this function is given by;

n^2-6n-16 = 0

Split the middle term.

n^2-8n + 2n-16 = 0

Factor;

n(n - 8) + 2(n - 8) = 0

(n - 8)(n + 2) = 0

n - 8 = 0 \: or \: n + 2 = 0

n  = 8 \: or \: n =  - 2

4 0
3 years ago
Plz help me out, i dont really understand this question, WILL GIVE BRAINLIEST TO THE MOST EDUCATED!!
allochka39001 [22]

Answer:

its 44 the answer

Step-by-step explanation:

I hope this helps

4 0
2 years ago
Read 2 more answers
Hi can someone check my answers please? thanks, :).
gregori [183]
The 3rd answer is wrong, the answer is 19.
The 5th answer is wrong, the answer is -9.
The 7th answer is wrong, the answer is 8.
The 11th answer is wrong, the answer is 2.
The 12th answer is wrong, the answer is 10.

Hope I could help :)
5 0
3 years ago
Read 2 more answers
Find the center and radius of this circle: (x+2)^2 + (y-3)^2 =100
Flauer [41]

Answer:

center:-2,3

Radius:10

Step-by-step explanation:Happy to help :)

7 0
3 years ago
In the last three years frederico's basketball team won 40 more games than they lost if they won 150 games what was their ratio
Westkost [7]
150 games won: 110 games lost

Ratios
150:110
150/110
150 to 110
3 0
3 years ago
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