find all solutions of the equation. Check your solutions in the original equation

Question

(a). 7sqrt(x) -4 =0

Answer 1

The equation is 7sqrt(x) -4 =0.

Add 4 to each side.

7sqrt(x) =4

Divide each side by 7.

sqrt(x) =4/7

Square each side.

x =(4/7)^2

x =16/49.

Check:

The value of x =16/49 are substitute in .

The value of x =16/49.