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Reika [66]
2 years ago
14

Which expression belongs

Mathematics
1 answer:
Nutka1998 [239]2 years ago
5 0

For the expression to be equal to the original one, we have;

[(x + 1) * 5(x - 1)(x + 4)]/[(x - 1) * 7x]

<h3>How to Simplify Algebraic Expressions?</h3>

We are given the algebraic expression;

(5x² + 25x + 20)/(7x)

Now, looking at the numerator, a common factor to all terms is 5. Thus, we will factorize it out to get;

5(x² + 5x + 4) = 5((x + 1)(x + 4))

Now, we see that the expression that simplifies the algebra is given as;

[(x² + 2x + 1) * ( )]/[( ) * (7x² + 7x)]

Now, the numerator and denominator can be factorized to get;

[(x + 1)(x + 1) * ( )]/[( ) * 7x(x + 1)]

Thus, x + 1 will cancel out to get;

[(x + 1) * ( )]/[( ) * 7x]

For the expression to be equal to the original one, we have;

[(x + 1) * 5(x - 1)(x + 4)]/[(x - 1) * 7x]

Read more about Algebraic Expressions at; brainly.com/question/723406

#SPJ1

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Alright, can someone that is competent in this concept explain to me about residuals? I am studying for a quiz tomorrow. I will
andrey2020 [161]

Answer:

Hey buddy, here is your answer. Hope it helps you.

Step-by-step explanation:

It is the difference between the dependent variable and a predicted value.Each data point has one residual. Residual = Observed value - Predicted value. A residual is a measure of how well a line fits an individual data point.

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3 years ago
PLEASE HELP ASAP!!!!! 8TH GRADE MATH IDKKK!!! 3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
alexdok [17]
Remove all the brackets
3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
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24 + 6x = 6 - 6x Add 6x to both sides.
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12x = 6 - 24
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x = - 18 /12
x = - 1.5
Check
3(7 + 2*(-1.5)) + 3 = ? 3(5 + -(1.5) - 9(-1.5 + 1)
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3*4 + 3 =? 10.5 + 4.5
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4 years ago
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A 28 <br> B 14<br> C 18 <br> D 6<br> Thank you
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Answer:

B

Step-by-step explanation:

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