(X^2+3x-28)/(x-4)

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Solution for (X^2+3x-28)/(x-4) equation: 


D( x )

x-4 = 0

x-4 = 0

x-4 = 0

x-4 = 0 // + 4

x = 4

x in (-oo:4) U (4:+oo)

(X^2+3*x-28)/(x-4) = 0

X^2+3*x-28 = 0 // - X^2-28

3*x = -(X^2-28) // : 3

x = (-(X^2-28))/3

x = (28-X^2)/3

x = (28-X^2)/3

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