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hjlf
3 years ago
10

Solve this (2x – 1)2

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
5 0
Distribute the number 2.

2*2x= 4x

-1*2= -2

4x-2 is the most you can simplify this.

I hope this helps!
~kaikers
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Solve the equation.<br> -9x + 1=-X+17<br> Ox=-8<br> Ox=-2<br> Ox=2<br> Ox=8
Reptile [31]

Answer:

x = -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

-9x + 1 = -x + 17

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 9x on both sides:                    1 = 8x + 17
  2. Subtract 17 on both sides:              -16 = 8x
  3. Divide 8 on both sides:                  -2 = x
  4. Rewrite:                                           x = -2
7 0
3 years ago
Expand . ( 3x –2 ) 2 please help me with this.
Ainat [17]

-------------------------------------------------------------------------------------------------------------

Answer:  \textsf{9x}^2\textsf{ - 12x + 4}

-------------------------------------------------------------------------------------------------------------

Given:  \textsf{(3x - 2)}^2

Find: \textsf{Simplify the expression}

Solution:  It looks like 2 is at the end of the parenthesis where the power would be instead of distributing the number.  If so the following steps would be followed.

<u>Expand</u>

  • \textsf{(3x - 2)}^2
  • \textsf{(3x - 2)(3x - 2)}
  • \textsf{(3x * 3x) + (3x * (-2)) + (3x * (-2)) + (-2 * (-2))}

<u>Simplify</u>

  • \textsf{9x}^2\textsf{ - 6x - 6x + 4}
  • \textsf{9x}^2\textsf{ - 12x + 4}

Therefore, after following the provided information we are able to determine that the expanded form would be 9x^2 - 12x + 4.

3 0
2 years ago
Read 2 more answers
Ralph opened up his checking account with $100. On Monday, he withdrew $45 to purchase a pair of jeans. On Wednesday, he deposit
vampirchik [111]

Answer:

The answer is -18

Step-by-step explanation:

He starts off with $100 in his account. He then take so $45 to purchase a pair of jeans, so we have to subtract 45 from 100 and that gives us $55. He now has $55 in his account, he then adds another $25 to his account, so we have to add 25 to 55 and that will give us $80 in his account. Finally on Friday he takes out $98 of his checking account. He takes out more than he has in his checking account so we have to subtract $80 from $98 and we will get $18, but since he takes out more than what he has in his account the answer will be negative and we end up with -18 dollars in his checking account.

5 0
3 years ago
Read 2 more answers
What is the better deal for $56 over 25 or 32.05 over 15
riadik2000 [5.3K]
I am pretty sure $32.05 is the right answer

:)

4 0
4 years ago
Read 2 more answers
What is 5 1/2 x 2 1/3
Papessa [141]
<span>5 1/2 x 2 1/3</span>

Change your fractions into decimals.

1/2 = 0.5
1/3 = 0.33 (rounded)

5.5 x 2.33 = 12.815

12.815 is your answer

hope this helps
4 0
3 years ago
Read 2 more answers
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