Question

14xsquare(x+y-2xy) for x=-1 , y=2

Answer 1

Answer:

70

Step-by-step explanation:

given: 14x²(x+y-2xy)

x=-1,y=2

then,14(-1)²(-1+2-2(-1)(2))

=14(1+4)

=14(5)

=70

hope this helps you