Question

4√5 + 5√5 is equal to: *

1 point

a) 9√5

b) 9√10

c) 5√10

d) 7√5

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Answer 1

Answer:

4√5 +5√5 =9√5

while adding or subtracting roots, we solve it in a same way as we solve algebra.

same roots can be added or subtracted.

Answer 2

Answer:

a) 9√5

Step by step explanation :

4+5=9

if there are same thing within root that remains same and the number right before the root is added to find the value.