How do you solve using the completing the square method $9x^2-12x-2=0$ ?

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How do you solve using the completing the square method $9x^2-12x-2=0$ ?

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Answer 1 · 2016-07-29T15:13:30

$x=(2+sqrt(6))/3$
$x=(2-sqrt(6))/3$

Explanation:

$9x^2-12x-2=0$
or
$(3x)^2-2(3x)(2)+2^2-2^2-2=0$
or
$(3x-2)^2=6$
or
$3x-2=+-sqrt(6)$
or
$3x=2+-sqrt6$
or
$x=(2+-sqrt6)/3$
or
$x=(2+sqrt(6))/3$
or
$x=(2-sqrt(6))/3$

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How do you solve using the completing the square method $9x^2-12x-2=0$ ?

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How do you solve using the completing the square method 9x^2-12x-2=09x^2-12x-2=0?

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How do you solve using the completing the square method $9x^2-12x-2=0$ ?