Question

write it in reduced radical form: 1/3(x+1)^2=15

Answer 1

Answer:

x=3√5-1

Step-by-step explanation:

(x+1)²=15*3

(x+1)²=45

x+1=√45

x=√45-1

Reduce the radical to the lowest prime number factors.

$\sqrt{3*3*5}$=$\sqrt{45}$

Pull out the pairs

$3\sqrt{5}$

x=3√5-1