<span>The first step you need to do is to rewrite
x+y=3
as y=3-x
</span><span>Now we can replace the y in the equation with our newfound value for y, which is
y=3-x.
So lets write it now like this
Q=x^2+2(3-y)^2
=x^2+18-12x+2x^2
=3x^2+18-12x
</span>Hope this helps
200 yards bozo yeejrkrjrjthbthttjtjtnrm
59.96.
If you distribute 4 to 14.99 then you get the answer above.
It's 144
well I just got out of a test and the answer was 144.
