(2a^2+6)/(a+2)

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Solution for (2a^2+6)/(a+2) equation: 


D( a )

a+2 = 0

a+2 = 0

a+2 = 0

a+2 = 0 // - 2

a = -2

a in (-oo:-2) U (-2:+oo)

(2*a^2+6)/(a+2) = 0

2*a^2 = -6 // : 2

a^2 = -3

a belongs to the empty set

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