3x-16y-z+9
i know this is right!
hope this helps!
Answer:
Step-by-step explanation:
You need to use the quadratic equation
x = 
Givens
x = 
x =( 5 +/- sqrt(25 - 12) ) / 2
x = (5 +/- sqrt(13) )/2
x = (5 + sqrt(13) / 2
x = 4.303 rounded
x = (5 - sqrt(13) ) /2
x = .6972
Answer:
-3x+30
Step-by-step explanation:

Expand 

Simplify 

Answer; there is literally no solution. it has to be a negative number.