Wednesday

August 20, 2014

August 20, 2014

Posted by **Randy** on Wednesday, April 11, 2012 at 9:29pm.

N = x**2 + 2 xy + y**2 + 3

- ALGEBRA -
**Steve**, Thursday, April 12, 2012 at 4:34amyu can do it all manually, or you can note that

(x^2 + 2xy + y^2) = (x+y)^2, so

N = (1+3)^2 + 3 = 16+3 = 19

**Related Questions**

algebra - let x=3 and y=4. Find the value of the given capital letter. N=x^2+2xy...

math - Let x = 2 and y = 4. Find the value of the given capital letter. N = x2...

5th grade math - How do you do letter equations? "Each letter in the equation ...

Math - Each capital letter of the alphabet is carefully printed on a piece of ...

Algebra - Use the intermediate theorem to show that the polynomial function ...

Macroeconomics - Economists have found that a good approximation of value added ...

Economics - The chapter is on Production and costs in thelong run, we are given ...

Math - The capital letter F can be formed by connecting the points (0,4),(5,4),(...

Math - The capital letter F can be formed by connecting the points (0,4)(5,4) (5...

Math PIZZAZZZ - how does a rodeo star get around?? well if you cant give me an ...