Question

How do you solve `2(5x - 2)^2 +5 =25`?

Answer 1

`x=1/5(2+-sqrt10)`

Explanation:

`2(5x-2)^2+5=25`

`2(5x-2)^2=20`

`(5x-2)^2=10`

`5x-2=+-sqrt10`

`5x=2+-sqrt10`

`x=1/5(2+-sqrt10)`