Question

If x + y + 2 = 0, then x3

+ y3
+ 8 equals
PLEASE ANSWER IT'S URGENT ​

Answer 1

Answer:

6xy

Step-by-step explanation:

Answer:Given x+y+2=0,then

x3+y3+8=(x)3+(y)3+(2)3=0

=>We know if a+b+c=0,then

a3+b3+c3=3abc

=>x3+y3+(2)3=3.x.y.2

=>x3+y3+8=6xy