Question

simplify 9√5 -4√5+√125​

Answer 1

Answer:

10$\sqrt{5}$

Step-by-step explanation:

(9-4)(5)^0.5+(25*5)^0.5

5*5^0.5+5*5^0.5

10*5^0.5

10$\sqrt{5}$

Answer 2

9√5-4√5+√125

=9√5-4√5+5√5 ......................(√125=√5X5X5)

                                                 (√125=5√5)                    

=14√5-4√5

=10√ 5

AAYA SAMAJ.