Question

√45-3√20+4√5 please solve it and give​

Answer 1

Answer:

45

−3

20

+4

5

=

3×3×5

−3

2×2×5

+4

5

=3

5

−−6

5

+4

5

=7

5

−6

5

=

5

Answer 2

Answer:

√5

Step-by-step explanation:

√45-3√20+4√5

=3√5-6√5+4√5

=√5