SOLUTION: Let x=1 and y=2. Find the value of the given capital letter. N=x^2+2xy+y^2+1 N= X^2 means x squared

Algebra ->  Expressions-with-variables -> SOLUTION: Let x=1 and y=2. Find the value of the given capital letter. N=x^2+2xy+y^2+1 N= X^2 means x squared      Log On


   

Question 940115: Let x=1 and y=2. Find the value of the given capital letter.
N=x^2+2xy+y^2+1
N=
X^2 means x squared
Found 3 solutions by Fombitz, krutarthas, Shin123:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by krutarthas(22) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=1 and y=2.
N=x²+2xy+y²+1
=(x)²+2.x.y+(y)²+1
=(x+y)²+1
=(1+2)²+1
=3²+1
=9+1
=10
N=10
answer
Krutartha

Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
N=x%5E2%2B2xy%2By%5E2%2B1 x=1 and y=2
N=1%5E2%2B%282%2A1%2A2%29%2B4%2B1 which simplifys to
N=1%2B4%2B4%2B1
highlight%28N=10%29