shelbyk53 shelbyk53

20-10-2016
Mathematics

contestada

If x is a real number such that x^3 =64 then x^2 + x=?

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HeavenlyHelper HeavenlyHelper

20-10-2016

x^3=64

x= 3 square root of 64

x=4

x^2+ square root of x= 4^2+ the square root of 4= 16+2=18

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