Question

If
2
x
2
+
5
y
2
+
5
z
2
−
4
x
y
−
2
y
z
−
4
x
z
=
0
and x+y+z=12 then the value of
x
2
+
y
2
+
z
2
is

Answer 1

Answer:hope it will help u...

plz mrk brainlist.....

1.) 3x+2x+5

2.) 1x+5

3.)57+4x-6

4.)16p+5q-25+3

Step-by-step explanation: