Question

1. Simplify: root 45-3root 20 + 4root 80​

Answer 1

Answer:

13√5

Step-by-step explanation:

√45-3√20+4√80

√9*5-3√5*4+4√20*4

3√5-6√5+8√5*4

3√5-6√5+16√5

13√5