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3 years ago

10

Using the properties of absolute values, simplify the expression x×|x|, if it is known that:

1 answer:

Westkost [7]3 years ago

7 0

Answer:

x ≥ 0: x|x| = x²
x < 0: x|x| = -x²

Step-by-step explanation:

<u>For x ≥ 0</u>

|x| = x

so

x|x| = x(x) = x²

<u>For x < 0</u>

|x| = -x

so

x|x| = x(-x) = -x²

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