(4w^2-36)/(w+3)

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Solution for (4w^2-36)/(w+3) equation: 


D( w )

w+3 = 0

w+3 = 0

w+3 = 0

w+3 = 0 // - 3

w = -3

w in (-oo:-3) U (-3:+oo)

(4*w^2-36)/(w+3) = 0

4*w^2 = 36 // : 4

w^2 = 9

w^2 = 9 // ^ 1/2

abs(w) = 3

w = 3 or w = -3

w in { -3} 

w = 3

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