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Anna [14]
3 years ago
10

What is the sum: (1−5q)+2(2.5q+8)

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0
It is definitely seventeen
mash [69]3 years ago
7 0

The answer is seventeen

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4th term of (4x-y)^9
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Now, let's do the same as we did for the previous one here.

\bf (4x-y)^9\implies 
\begin{array}{llll}
term&coefficient&value\\
-----&-----&-----\\
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3&+36&(4x)^7(-y)^2\\
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\end{array}

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3.  and so on.  And you can just expand it from there.
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the equality shown is : x is greater than or equal to -3.

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