How do you simplify (-8-sqrt512)/4?
1 Answer
Jun 16, 2018
Explanation:
"simplify "sqrt512" using prime factors"
sqrt512=sqrt(2^9)=sqrt(2^4xx2^4xx2)
color(white)(xxxxxx)=sqrt(16xx16xx2)=4xx4xxsqrt2=16sqrt2
(-8-16sqrt2)/4=(-8)/4-(16sqrt2)/4=-2-4sqrt2