Question

Help please I don't remember how to do this lol

Tell whether the following expressions are equivalent: (-1)(-x) and x​

Answer 1

`\\ \tt\longmapsto (-1)(-x)`

`\\ \tt\longmapsto x`

Yes equal

Note that

• (+)(+)=(+)
• (-)(-)=(+)
• (-)(+)=(+)(-)=(-)

Answer 2

yeah they are equivalent

Explanation: