Solve for all possible values of x.
square root of the quantity x minus 9 end quantity plus 4 equals 8
a) x = −5
b) x = 7
c) x = 13
d)x = 25

Option d)  x = 25

Step-by-step explanation:

we have

Solve for x

Subtract 4 both sides

squared both sides

Adds 9 both sides

Verify

1) For x=25

----> is true

therefore

x=25 is a solution

2) For x=-7

The radicand cannot be a negative number

therefore

x=-7 is not a solution

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step-by-step explanation: