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ruslelena [56]
3 years ago
13

-3 (4-2x) = 4 - 2x I can't seen to get this one

Mathematics
2 answers:
polet [3.4K]3 years ago
5 0
189sjsidnndnrhejwnwnenfnf
castortr0y [4]3 years ago
4 0

Let's see what to do buddy...

- 3(4 - 2x) = 4 - 2x

Subtract the sides of the equation minus( 4 - 2x ) :

- 3(4 - 2x) - (4 - 2x) = 0

Factoring ( 4 - 2x ) :

(4 - 2x)( - 3 - 1) = 0

(4 - 2x)( - 4) = 0

Divided the sides of the equation by -4

4 - 2x = 0

Subtract the sides of the equation minus 4

- 2x =  - 4

Negatives simplified.

2x = 4

Divided the sides of the equation by 2

x =  \frac{4}{2} \\

x = 2

_________________________________

And we're done...

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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3 years ago
(x+4)(x-2) as a triomial in standard form
Nataliya [291]

Answer:

x² - 8x + 16 Hope this helps

Step-by-step explanation:

Step 1: Write out expression

(x - 4)²

Step 2: Expand

(x - 4)(x - 4)

Step 3: FOIL

x² - 4x - 4x + 16

Step 4: Combine like terms

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6 0
3 years ago
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Add​​ using a number line.<br><br>-2 + 4<br><br>5__ 5
pogonyaev

Answer: i.. do.... not... know..

Step-by-step explanation:

6 0
2 years ago
Leah claims that these figures are not similar. When she compared the heights, she wrote 27. Then she compared the bases and got
Flauer [41]

Answer:

<h2>Leah is actually wrong, because those rectangles are similar.</h2>

Step-by-step explanation:

Remember that similarity is about having proportional sides and congruent angles. When we have congruent sides, then those rectangles are congruent not similar.

In this case, to find the similarity, Leah should compare bases and heights thorugh division, because the ratio between heights and the ratio between bases must be equal. So, let's divide.

\frac{21}{6}=3.5

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4 0
3 years ago
What is the length of CD in this diagram, ABC - EDC,
natima [27]

Answer:

<h2>4</h2>

Option A is the right option.

solution,

∆ABC~∆EDC

\frac{bc}{cd}  =  \frac{ac}{ec}  \\  \:

putting the values,

\frac{20 - x}{x}  =  \frac{20}{5}  \\  or \: 5(20 - x) = 20x(cross \: multiplication) \\ or \: 100 - 5x = 20x \\ or \:  - 5x - 20x =  - 100 \\ or \:  \:  - 25x =  - 100 \\  \: or \: x =  \frac{ - 100}{ - 25}  \\ x = 4

Hope this helps..

Good luck on your assignment..

8 0
3 years ago
Read 2 more answers
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