How do you solve $x^2 - 25 = 0$ ?

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Answer 1 · 2015-06-12T18:08:52

$x_1=+5$
$x_2=-5$

Take $25$ to the right:
$x^2=25$ square root both sides to get:
$x=+-sqrt(25)$
So you get two possible solutions:
$x_1=+5$
$x_2=-5$

You can also use the Quadratic Formula but this is faster.

How do you solve x^2 - 25 = 0x^2 - 25 = 0?