K = constant
k * temperature = pressure
or p/t = k
this is gay-lussac's law. are you using temperature in kelvin or is that a mistake while writing the question?
Answer:
if you're looking for x its -13
Answer:

Step-by-step explanation:
Take out 4:
4(x^2-8x)-12
=4(x^2-8x+16-16)-12
=4(x^2-8x+16)-64-12
=4(x^2-4)^2 - 76
=