Question

4 xy/x+y where x= "-5" and y=3

Answer 1

Correct option is C)

4xy(x−y)−6x

2

(y−y

2

)−3y

2

(2x

2

−x)+2xy(x−y)

=4x

2

y−4xy

2

−6x

2

y+6x

2

y

2

−6x

2

y

2

+3xy

2

+2x

2

y−2xy

2

=6x

2

y−6xy

2

−6x

2

y+3xy

2

=−3xy

2

=−3(5)(13)

2

=−2535

Explanation: