pemdas
simplify parenthasess first (inner to out)
then exponents
multiplication or division whichever comes first
additon or subtraction whicher comes first
so parenthasees
fist 3-5=-2
now we have
6-4(2)^2+30/5
exponents
(2)^2=4
now we have
6-4(4)+30/5
mult or div
-4*4=-16
30/5=6
now we have
6-16+6
add or subtract
-4 is answer
