bbanfield1
05.01.2020 •
Mathematics
Using the properties of absolute values, simplify the expression x×|x|, if it is known that:
x greater or equal to zero
x is less than zero
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Ответ:
Step-by-step explanation:
For x ≥ 0
|x| = x
so
x|x| = x(x) = x²
For x < 0
|x| = -x
so
x|x| = x(-x) = -x²
Ответ:
Step-by-step explanation:
answer is in the image above