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zhannawk [14.2K]
3 years ago
13

Simplify the expression 2(x + 7)(x2 – 3x – 6).

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0

Answer:

2x^3+8x^2-54x-84

Step-by-step explanation:

ivolga24 [154]3 years ago
4 0

Answer:

2(x + 7)(x² - 3x - 6) = 2x³ + 8x² - 54x - 84

Step-by-step explanation:

Simplification is a method used to reduce the complexity or the component parts of an algebraic equation which makes it simpler and easier to understand.

The given equation is: 2(x + 7)(x² - 3x - 6).

Simplifying the given algebraic equation:

⇒ 2 (x + 7) (x² - 3x - 6)

⇒ (2x + 14) (x² - 3x - 6)

⇒ 2x³ + 14x² - 6x² - 42x - 12x - 84

⇒ <u>2x³ + 8x² - 54x - 84</u>

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Using the order of operations, what should be done first to evaluate 12+(-6)(3)+(-2)?
sesenic [268]

Answer:

hello there...

you know BODMAS for sure

First brackets then of then divi then multi then add and then subtract

going by BODMAS

we need to first of all multiply of -6 and 3

hence ans is multiplying -6 and 3

( option 1 Is wrong by the equation u sent if the equation is correct then ans is which given bur by options I think equation is wrong becoz I don't see divide symbol)

7 0
3 years ago
A and B represent whole numbers, and A▯B means A² + B² - 2AB. What is the value of 9▯(5▯2)?
andreev551 [17]
It’s 54 because I did the math to get the answer
3 0
2 years ago
In a package of candy there is a total of 24 yellow pieces. For every 5 green pieces in the package, there are 8 yellow pieces.
IgorLugansk [536]

Answer:

15 green pieces.

Step-by-step explanation:

8x = 24

x = 3.

So you need 3 times the amount of green pieces for every yellow piece.

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7 0
3 years ago
Kathie spent $38 on a fruit salad. She bought bananas, mangoes, and pineapples. Bananas cost $1 per pound, mangoes cost $2 per p
devlian [24]

Answer: X * 1 + Y * 3 + Z * 2 = 45

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The value that you multiply to the unknowns will be multiplied by the price that corresponds to it.

These 3 products must be added to result in the total value that is 45.

X * 1 + Y * 3 + Z * 2 = 45

6 0
3 years ago
Read 2 more answers
What is the answer 3 3/4 - 2 5/6=​
Rom4ik [11]

Answer:

11/12

Step-by-step explanation:

3 3/4 - 2 5/6

Convert to improper fractions

15/4 - 17/6

Find a common denominator (12)

45/12 - 34/12

Subtract

11/12

Hope this helps :)

7 0
3 years ago
Read 2 more answers
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