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noname [10]
3 years ago
6

Factor 3xy+21x+9 completely

Mathematics
1 answer:
inn [45]3 years ago
3 0

Answer:

<h2>Hence the second option is the correct answer</h2>

Step-by-step explanation:

In this problem we are required to factor out the given terms as stated in the expression, what is obtainable is that we look for terms(greatest terms) that are common to all the terms in the expression and factor it out.

here is a way to do it

given the following expression

3xy+21x+9

From the expression above we can see that 3 is common to all the terms of the expression so that we have

3(xy+7x+3)

hence the second option is the correct answer

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Factor 42v^3 – 21v^2 + 34v – 17
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Answer:

(2v-1)(21v^2+17)

Step-by-step explanation:

add and subtract the second term to the expression and factor by "grouping"

answer should be:

(2v-1)(21v^2+17)

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alexandr402 [8]

Answer:

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2 years ago
Simplify: -0.8b + 4.1c -(-3.2b) - 0.1c
umka21 [38]
-0.8b+4.1c-(-3.2b)-0.1c
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Larry read a 400400400-page book. He read at a rate of 101010 pages per day for ddd days. Write an equation that could be used t
ira [324]

Answer:

From Larry's rate, the equation can be given as D = T/101010

Step-by-step explanation:

Larry's book has 400400400 pages

His reading rate is 101010 pages per day

Let D = Number of days to read the book

To get the number of days it takes fro Larry to read this book, we say

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From the question,

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Hence, it takes Larry approximately 3964 days to read the book.

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