Answer:
D.−√5
Step-by-step explanation:
4 sqrt(20) -3 sqrt(45)
We know that sqrt(ab) = sqrt(a) sqrt(b)
4 sqrt(4) sqrt(5) - 3 sqrt(9) sqrt(5)
4 *2 sqrt(5) - 3 *3 sqrt(5)
8 sqrt(5) - 9 sqrt(5)
- sqrt(5)
Answer:
what grade is this
Step-by-step explanation:
I'm very confused is this algebra?
Answer:
Step-by-step explanation:
Jmeu eimejrimr
2^-2 would become 1/2^2 which becomes 1/4.
