Question

What are the solutions to the quadratic equation 3(x - 4)2 = 75?

O x= -9 and x = 1
x= -5 and x = 5
O x = -4 and x = 4
Ox= -1 and x = 9
OOO

Answer 1

x = -1 and x = 9

Explanation:

3(x-4)^2 = 75

(x-4)^2 = 75/3 = 25

(x-4)=
`\sqrt25`

(x-4)= 5 or (x-4)=-5

x=9 or x= -1