((4x^2)-19x-63)/(x-7)

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Solution for ((4x^2)-19x-63)/(x-7) equation: 


D( x )

x-7 = 0

x-7 = 0

x-7 = 0

x-7 = 0 // + 7

x = 7

x in (-oo:7) U (7:+oo)

(4*x^2-(19*x)-63)/(x-7) = 0

(4*x^2-19*x-63)/(x-7) = 0

4*x^2-19*x-63 = 0

4*x^2-19*x-63 = 0

DELTA = (-19)^2-(-63*4*4)

DELTA = 1369

DELTA > 0

x = (1369^(1/2)+19)/(2*4) or x = (19-1369^(1/2))/(2*4)

x = 7 or x = -9/4

(x+9/4)*(x-7) = 0

x+9/4 = 0

x+9/4 = 0 // - 9/4

x = -9/4

x = -9/4

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