solve for X : 2x²/3 - x1/3 =28
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Step-by-step explanation:
Last step is By taking Cube on both side....
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Answered by
1
Step-by-step explanation:
Let a = x^1/3
2a^2 -a = 28
2a^2 - a -28 = 0
(a-4)(2a +7)=0
a = 4 or -7/2
So
x^(1/3) = 4 or (-7/2)
x = 4^3 or (-7/2)^3 = 64
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