How do you solve $(5x - 1)^2 = 4/25$ ?

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Answer 1 · 2016-06-28T08:00:05

$x = 3/25$ or $x = 7/25$

$(5x-1)^2 = 4/25$ => $(5x-1)^2 = (2/5)^2$

=> $5x -1 = +- 2/5$

=> $5x -1 = + 2/5$ means $5x= (2/5 +1)$ => $x = 7/25$

=> $5x -1 = - 2/5$ means $5x= (-2/5 +1)$ => $x = 3/25$

How do you solve (5x - 1)^2 = 4/25 (5x - 1)^2 = 4/25?