Factor form \frac{6x { { }^(2) - 12x }^(?) }{x {}^(2) - 4 }

asked Jan 5, 2019 217k views

2 votes

Factor form

$\frac{6x { { }^(2) - 12x }^(?) }{x {}^(2) - 4 }$

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$(6x^2-12x)/(x^2-4)=(6x(x-2))/(x^2-2^2)=(6x(x-2))/((x-2)(x+2))=(6x)/(x+2)\\\\Used:\ a^2-b^2=(a-b)(a+b)$

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