3-r8=-9/2

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Solution for 3-r8=-9/2 equation: 


r in (-oo:+oo)

3-r^8 = -9/2 // + -9/2

3-r^8-(-9/2) = 0

9/2-r^8+3 = 0

-1*r^8 = -15/2 // : -1

r^8 = 15/2

r^8 = 15/2 // ^ 1/8

abs(r) = (15/2)^(1/8)

r = (15/2)^(1/8) or r = -(15/2)^(1/8)

r in { (15/2)^(1/8), -(15/2)^(1/8) }

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