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mel-nik [20]
3 years ago
10

Coficient of x^2 in -4x^2

Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0

Answer:

-4

hope this answer helps you...

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All the info is in the pictures
Hunter-Best [27]
Bearing in mind that an absolute value expression is in effect a piece-wise function with two cases, thus

\bf |-n|=
\begin{cases}
+(-n)\\
-(-n)
\end{cases}\implies 
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-n\\
n
\end{cases}
\\\\\\
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\end{cases}
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