Question

solve the following:x⅔+x⅓=2​

Answer 1

ANSWER

PUT X = y^3

y^(3×2/3) + y^(3×1/3) = 2

y^2 + y-2 = 0

apply middle term splliting

(y-1) (y+2) = 0

y = 1 and y = -2

x = 1 and x = (-2)^3 = -2√2

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