Answer:
Answer: The value of z is 12 .
Hope it helps you.
Step-by-step explanation:
the answer is
Y=2.5
X=3.75
Answer: x=5 or x=−13
8x−65=−x2
8x−65−(−x2)=−x2−(−x2)
x2+8x−65=0
(x−5)(x+13)=0
x−5=0 or x+13=0
x=5 or x=−13
