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aleksley [76]
3 years ago
7

Please simplify the following equation and show how: (2x+2)^3

Mathematics
2 answers:
sammy [17]3 years ago
8 0
Simplify \ ( 2x+2 )^3 \\\\ we \ then \ would \ take \ out \ all \ the \ exponents. \\ \\   \left[\begin{array}{ccc} 2x+2  =  2 * (x+1) \end{array}\right]  \\ \\ we \ would \  then \ retract \ them,  \ and \ by \ this, \ we \\ add \ the \ exponents \ back \  to \  it's \ original \ place. \\ \\ (FINAL \ ANSWER) \swarrow \\ \\ \boxed{\boxed{  (2)^3 * (x + 1)^3}}
Natasha_Volkova [10]3 years ago
7 0
<span> </span>

You can use (a+b)2 = a2+2ab+b2.
(2x - 3)2 = (2x)2 + 2(2x)(-3) + (-3)2 = 4x2 - 12x + 9

Or you can use FOIL.

(2x - 3)2 = (2x - 3)(2x - 3) = (2x)2 + (2x)(-3) + (-3)(2x) + (-3)2 = 4x2 - 12x + 9



hope I could be helpful

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olga_2 [115]
The correct question is
<span>Michael sold 2/3 of his CDs and purchased 16 more. If Michael has 25 CDs now, how many CDs did he have to begin with?

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x--------------> numbers of CDs Michael have to begin

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3 years ago
Answer these 12 questions
frutty [35]

Answer:

Step-by-step explanation:

1) 7x - 14 =  2x + 11    {Add 14 to both sides}

  7x - 14 +14 = 2x + 11  +14

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7x - 2x = 2x + 25 - 2x

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x = 5

 

2) 6x + 5 = 3x + 14

6x = 3x + 14 - 5

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6x - 3x = 9

3x = 9

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3) 12x + 5 = 4x +37

12x = 4x + 37 - 5

12x = 4x + 32

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x = 32/8

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4) 3x + 8 = 2x + 21

3x  = 2x + 21 - 8

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5x - x = 8

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6 0
3 years ago
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MrRissso [65]
To answer the question above, we are simply to subtract the length of the gold ribbon which is 2 4/6 ft from the length of the silver ribbon, 5 2/6 feet. Mathematically,
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