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Nesterboy [21]
3 years ago
9

Ok so I wanna if my answer is right so

Mathematics
1 answer:
sergey [27]3 years ago
5 0
Yes and you can say more x€ (-inf;15)
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Solve 2X squared plus X equals 15
Karo-lina-s [1.5K]

Answer:

x=5

Step-by-step explanation:

2x+x= 3x

3x=15

15/3=5

7 0
3 years ago
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PLEASE HELP!!!! ASAP!!!
Nikitich [7]

Answer:

A and C

Step-by-step explanation:

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Please divide and simplify
Damm [24]

Answer:

-2y^{3

Step-by-step explanation:

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3 years ago
Which polynomial represents the difference below 2x2+7x+6 - (3x2-x) ----------------
Yuki888 [10]

Answer: -x^2+8x+6

Step-by-step explanation:

For this exercise is important to remember the multiplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-

Then, Given the following expression:

2x^2+7x+6 - (3x^2-x)

The first step is to distribute the negative sign in order to eliminate the parentheses:

2x^2+7x+6 - (3x^2-x)=2x^2+7x+6 -3x^2+x

The final step is to add the like terms.

Therefore, the polynomial that represents the differences is:

=-x^2+8x+6

7 0
4 years ago
What percent is 14 over 81
postnew [5]

Answer:

17,28 %

Step-by-step explanation:

81 ..............  100%

14 ....................x%

x = 14×100/81 = 1400/81 ≈ 17,28 %

7 0
3 years ago
Read 2 more answers
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