64-16x+x^2 i had this same question and that’s the answer i put and for it right :)
Answer:
((3.55)^2+(4.12)^2+(4.41)^2)/2(3.55)*(4.12)
<u>=358.519825</u>
Step-by-step explanation:
I just used this website called mathpapa.com, extremely useful for algebra calculations. Here's the link if you need it
https://www.mathpapa.com/algebra-calculator.html