Question

Solve for a.
√7a-10 - √2a+5=0


What is the root? If there is no root, choose none.

-1
1
3
none

Answer 1

Answer:

3

Step-by-step explanation:

√7a-10 - √2a+5=0

√7a-10 = √2a+5

7a-10 = 2a+5

5a = 15

a = 3