(7x^2+50x-48)/(x+8)

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Solution for (7x^2+50x-48)/(x+8) equation: 


D( x )

x+8 = 0

x+8 = 0

x+8 = 0

x+8 = 0 // - 8

x = -8

x in (-oo:-8) U (-8:+oo)

(7*x^2+50*x-48)/(x+8) = 0

7*x^2+50*x-48 = 0

7*x^2+50*x-48 = 0

DELTA = 50^2-(-48*4*7)

DELTA = 3844

DELTA > 0

x = (3844^(1/2)-50)/(2*7) or x = (-3844^(1/2)-50)/(2*7)

x = 6/7 or x = -8

(x+8)*(x-6/7) = 0

x-6/7 = 0

x-6/7 = 0 // + 6/7

x = 6/7

x = 6/7

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