Question

B)
simplify
9 root 5 -4 root 5 + root 125​

Answer 1

Answer:

10√5

Step-by-step explanation:

Hope this helps!!!

Answer 2

$9 \sqrt{5} - 4 \sqrt{5} + \sqrt{125}$

$9 \sqrt{5 } - 4 \sqrt{5} + \sqrt{5 \times 5 \times 5}$

$9 \sqrt{5 } - 4 \sqrt{5} + \sqrt{5} \times \sqrt{5} \times \sqrt{5}$

$9 \sqrt{5} - 4 \sqrt{5} + 3 \sqrt{5}$

$10 \sqrt{5}$