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likoan [24]
3 years ago
10

Please help I'm not vary good at math.​

Mathematics
1 answer:
baherus [9]3 years ago
3 0
I hope you find it helpful

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PLEASE HELP ASAP 40 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
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Answer:

B

Step-by-step explanation:

2 || 1   -   4     6    -   4

              2    -4       4

==================

     1       -2    2

x^2 - 2x + 2 with no remainder.

Looks like the answer is B

Note: Note that the two in x - 2 changes sign. That always happens when using synthetic division as long the number in front of the x is positive.

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Solve the following system of equations:
MariettaO [177]

Answer:

(1,3)

Step-by-step explanation:

\sf Answer\begin{cases} \sf \rightarrowtail \:  - 2x + y = 1 \dots(1) \\  \sf \rightarrowtail \:  - 4x + y =  - 1 \dots(2) \\ \sf 2 \times (1) \implies - 4x + 2y  = 2 \\ \sf 1 \times (2) \implies - 4x + y =  - 1 \\  \bf \star \: substracting \: both \\  \sf \rightarrowtail \: y = 3 \\  \sf \rightarrowtail \: -2x+(3)=1 \\ \sf \rightarrowtail \: -2x=-2 \\  \sf \rightarrowtail \: x=1\end{cases}

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3 years ago
Solve for x. 25 - 3x = -5(1 - x) - 2x
grandymaker [24]

Answer:

x = 5

Step-by-step explanation:

25 - 3x = -5(1 - x) - 2x

<u></u>

<u>We have to first get rid of the parenthesis:</u>

-5 * 1  ==>  -5

-5 * -x  ==>  5x

<u>So now you should have:</u>

25 - 3x = -5 + 5x - 2x

<u>Combine like terms:</u>

25 - 3x = -5 + 5x - 2x

25 - 3x = -5 + 3x

<u>Add 3x to both sides:</u>

25 - 3x  =  -5 + 3x

    + 3x  =      + 3x

<u>And you should have:</u>

25 = -5 + 6x

<u></u>

<u>Add 5 to both sides:</u>

25 = -5 + 6x

+5 = +5

30 = 6x

<u>Divide 6 to both sides:</u>

\frac{30}{6}     =      \frac{6x}{6}

5 = x

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3 years ago
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