How do you solve using the completing the square method $x^2 - 18x = 19$ ?

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Answer 1 · 2016-04-14T16:32:23

$x={-1,19}$

$x^2-18x=19$

$x^2-18x-19=0$

$(x-19)(x+1)=0$

$if (x-19)=0" ; "x=19$

$if (x+1)=0" ; "x=-1$

$x={-1,19}$

How do you solve using the completing the square method x^2 - 18x = 19x^2 - 18x = 19?