Answer:
x=52
y=25
z=90
Step-by-step explanation:
x= 180-38-90=52
y= 180-(65+52)-38=25
z=180-65-25=90
I think its rational
each number is being added by 5
3x^2-288y^2-36
Rewrite -36 as 12×3
Rewrite -288 as 96×3
3x^2+96.3y^2+12.3
factor out common term 3
=3(x^2-96y^2-12)
