Question

Which phrase best translates the mathematical expression: -(x + y)

Answer 1

-x-y

Answer 2

you must remember that :
\[\large{a(b+c) =ab+ac}\]

or you can insert plus minus there:
\[\large{a(b\pm c)=ab\pm ac}\]

Answer 3

also :

\[\large{-(x+y) = -1(x+y) = -1(x)-1(y) = -1x-1y =- x-y}\]

Answer 4

got it @km2012 ?

Answer 5

@km2012

Answer 6

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