Algebra2
posted by Unknown .
Help ?
1. x3x^1/2+2=0

let u = x^1/2. then you have
u^2  3u + 2 = 0
(u2)(u1) = 0
u = 1 or 2
so, x^1/2 = 1 or 2
x = 1 or 4
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