Question

Simplify the expression and find its value when x=-1 and y=2:

2(x²+2xy) +6-xy+y²​

Answer 1

Answer:

Ans 10

Step-by-step explanation:

2(x^ 2 +2xy) + 6-xy + y^ 2

2(-1^2+2 ×-1×2) +6-(-1)+ 2 2^2

2(-1^2+ -4 ) + 6+3+4

2-1-4+6+3+4

2-5+13

-3+13

=10

Hope it's help you..