(7x/7-x)/(5x^3/49-x^2)

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Solution for (7x/7-x)/(5x^3/49-x^2) equation: 


D( x )

(5*x^3)/49-x^2 = 0

(5*x^3)/49-x^2 = 0

(5*x^3)/49-x^2 = 0

5/49*x^3-x^2 = 0

x^2*(5/49*x-1) = 0

5/49*x-1 = 0 // + 1

5/49*x = 1 // : 5/49

x = 1/5/49

x = 49/5

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:49/5) U (49/5:+oo)

((7*x)/7-x)/((5*x^3)/49-x^2) = 0

0/(5/49*x^3-x^2) = 0

5/49*x^3-x^2 = 0

x^2*(5/49*x-1) = 0

5/49*x-1 = 0 // + 1

5/49*x = 1 // : 5/49

x = 1/5/49

x = 49/5

x^2*(x-49/5) = 0

0/(x^2*(x-49/5)) = 0

0 = 0

x należy do R

x in (-oo:0) U (0:49/5) U (49/5:+oo)

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