Question

simplify ( x square + xy - y square ) +3 - ( 2xy + 3x square ) when its value is x= -4 and y=3​

Answer 1

Answer:

-26

Step-by-step explanation:

as x = - 4 and y = 3

then

= ( x² + xy - y² ) + 3 - ( 2xy + 3x² )

= ( 16 - 12 - 9 ) + 3 - ( - 24 + 48 )

= ( - 5 ) + 3 - ( 24 )

= -26

Ans.