7w^7-9w^3/2w^3

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Solution for 7w^7-9w^3/2w^3 equation: 


w in (-oo:+oo)

7*w^7-(((9*w^3)/2)*w^3) = 0

7*w^7+(-9/2)*w^6 = 0

7*w^7-9/2*w^6 = 0

w^6*(7*w-9/2) = 0

7*w-9/2 = 0 // + 9/2

7*w = 9/2 // : 7

w = 9/2/7

w = 9/14

w^6 = 0

1*w^6 = 0 // : 1

w^6 = 0

w = 0

w in { 9/14, 0 }

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